Math 2.0

Statements

A theorem, a lemma, a proposition, a corollary, a fact or an axiom.

NameTagKindLevelMSC
The integers are a Euclidean domain000JFQGDXGstatementW011A05
Sequential characterization of limits heine-definition-of-limit000MXHEY22statementW026A03
Singular value decomposition000NPTMX6JstatementW115A18, 15A23
Power series are differentiable inside the radius of convergence002X7EK91HstatementW030B10, 26A24
A function with zero derivative is constant003QDZ4T16statementW026A24
Closure is the set of limits of sequences003QP7A8HGstatementW054E35
A differentiable function is convex iff its derivative is increasing005JT76HCKstatementW026A51
Taylor's theorem with the Cauchy remainder005Q84BMADstatementW041A80
The characteristic of an integral domain is zero or prime00758QM6JJstatementW013G05
Dimension of the dual space00889YD15KstatementW015A03, 15A04
Scaling a row scales the determinant009CY8JXFXstatementW015A15
Stars and bars009TEMTQKHstatementW005A10
Picard–Lindelöf theorem in integral form00BT70ND50statementW034A12
Finite intersection property compactness-via-the-finite-intersection-property00BWV5CKCFstatementW054D30
Addition formula for Fibonacci numbers00CN2F997QstatementW011B39
The logarithm grows slower than any power00DGYY10FVstatementW026A12, 33B10
Laws of exponents in a group power-laws-in-a-group00DRK90Z6KstatementW020A05
−1 is a square modulo p if and only if p is not 3 modulo 400DW862T78statementW011A15
Congruence is compatible with addition00FWBN7F0YstatementW011A07
Intermediate value theorem bolzano-theorem00KAFBR32EstatementW126A15
Modulus of the conjugate00KRCVE7CKstatementW030A99
Every vector space has a basis00MS9VMQ9ZstatementW015A03, 03E25
Change of variables in multiple integrals substitution-rule-several-variables, jacobian-change-of-variables00N5FHP1CVstatementW026B15
Derivative of sine00R4MWW532statementW033B10, 26A24
Divergence of the sum of the reciprocals of the primes00RA98X2CPstatementW011N05
Ramsey's theorem00TQV3F5S4statementW105D10, 05C55
A finite group is nilpotent iff it is the product of its Sylow subgroups00Y9N80VSSstatementW020F18, 20D15
Volume of a ball in R^n volume-of-an-n-ball00YH28R457statementW028A75
Additivity of line integrals under concatenation line-integral-over-a-sum-of-paths00ZEBSMNNVstatementW026B12
Uniqueness of finite fields of a given order010PKCQPXPstatementW012E20
Hensel's lemma010QVB71T2statementW111A07
Recurrence for Bell numbers0110GBHPPBstatementW011B73
A convex function on an open interval is continuous011HV2GAWFstatementW026A51
Jordan–Chevalley decomposition011K11VPJNstatementW015A21, 15A20
1 + x is at most exp x012C7GFF20statementW033B10, 26D15
exp z = 1 iff z is an integer multiple of 2πi kernel-of-the-exponential013AHC4DRTstatementW033B10
Existence of splitting fields01441KDGBYstatementW012F05
Chernoff bound014PEBGDYFstatementW060E15
Cayley's theorem0151VYVX27statementW120B30
Integral equation form of an initial value problem015KK993C5statementW034A12
Leibniz formula for determinants016PE4VZ8QstatementW015A15
Riemann's criterion for integrability017DH8WXTEstatementW026A42
Dyck words are counted by Catalan numbers017SRZ7NE9statementW005A15
Rolle's theorem0194DY35BGstatementW126A24
Residue at a simple pole residue-formula-for-simple-poles01991NCP7HstatementW030E20
Derivative of the complex exponential019H1Z6419statementW033B10
Integral test integral-test-for-convergence019QZ6RRVHstatementW040A05
First derivative test01A2EGXJEMstatementW026A24
cos pi = -101A8JGR4JMstatementW033B10
Distance from a point to a line01AAYNSBN6statementW051N20
Chapman–Kolmogorov equation chapman-kolmogorov-equations01APZ8GDQHstatementW160J10
Well-ordering principle01BX15HSRRstatementW103F30
The complex numbers cannot be ordered01CJRJKDAAstatementW012J15
Normality via left and right cosets01E7SWYJX3statementW020A05
Determinant of a scalar multiple01EXSMK864statementW015A15
Extensions of solvable groups are solvable01EY0EM7RPstatementW020F16
Urysohn's lemma urysohn-lemma01EY3VR7ZDstatementW154D15
Composition of injections is injective injective-comp01FPXMTBX1statementW003E20
Equivalence classes form a partition01HT2CH8BHstatementW003E20
Vandermonde's identity01JADB9VW5statementW105A19
Triangle inequality for a metric triangle-inequality-for-a-metric01M6CW9VM6statementW054E35
Cauchy's integral theorem cauchy-goursat-theorem, cauchy-integral-theorem01MPZXYVYFstatementW130E20
sin x / x tends to 101QSSKS5C1statementW033B10
Sum of the first n natural numbers01QZNHQWYDstatementW005A19
A graph is bipartite iff it has no odd cycle01R1HPEK6SstatementW005C75
Symmetry of second derivatives equality-of-mixed-partials01V9FPBBVKstatementW126B05
Bijective iff it has a two-sided inverse01VG2A0BHWstatementW003E20
Uniqueness of the algebraic closure01VQ7C4FTBstatementW012F05
Cantor set is closed01VT24J1SDstatementW054F65
Arguments add under multiplication01W6RKJP01statementW030A99
Legendre's formula de-polignac-formula01WPV9PHN7statementW011A51
Cassini's identity01WQZK97Z5statementW011B39
Adding a multiple of one row to another preserves the determinant01ZTQBK64QstatementW015A15
Law of the unconscious statistician lotus, change-of-variables-formula-for-expectation01ZWX875ATstatementW060A05
Carathéodory's theorem0201Q4P2B5statementW152A35
Euler's theorem on Eulerian circuits020422MDQFstatementW005C45
Existence of prime factorization020K0X7HVRstatementW011A51
Darboux and Riemann integrals agree021XJAQVDCstatementW026A42
Uniqueness of solutions for Lipschitz vector fields025PKW8AMRstatementW034A12
A function with nonnegative derivative is increasing026BJBQNGJstatementW026A24
Uniformly continuous functions map Cauchy sequences to Cauchy sequences026FDZFRXSstatementW026A15
Parallelogram law026HPGYGS4statementW146C05
Quotients of solvable groups are solvable027ZQS04SJstatementW020F16
Angle addition formulas028XEQCE88statementW033B10
Euclid's theorem infinitude-of-primes0292EPPPT0statementW111A41
Holomorphic functions on a disc have primitives existence-of-primitives-on-a-disc02AC7JR6G6statementW030E20
Eisenstein's criterion02BPKD7TMDstatementW112E05
Mean value inequality02CYB184RCstatementW026B05
Open balls form a basis of the metric topology02EEX96DFSstatementW054E35
Rank of a product of matrices02FDWY55ASstatementW015A03
Casorati–Weierstrass theorem sokhotski-theorem, casorati-weierstrass-sokhotski-theorem02HHNPC8EDstatementW030D30
Existence of maximal ideals krull-s-theorem02HJYT53F7statementW013A15
Chebyshev's inequality bienayme-chebyshev-inequality02HZ1BK3MWstatementW160E15
Isometries are injective02J4G4J4TJstatementW054E40
Characteristic function of a sum of independent random variables02JGYG0T7MstatementW060E10
Power series of sine02KTRHQMHNstatementW033B10, 30B10
The complex exponential is 2πi-periodic periodicity-of-the-exponential02P2PYH3X3statementW033B10
Sum of the roots of unity02PETK9PQ4statementW011R18
Cauchy mean value theorem extended-mean-value-theorem02SYZAWM2KstatementW026A24
Closure is closed02TZDKG50QstatementW054A05
Decreasing sequence bounded below converges02V2GYAC8PstatementW040A05
Riemann mapping theorem riemann-mapping02WHMEG5ZRstatementW130C35
K5 and K3,3 are not planar030A3FHN14statementW005C10
The real part of a holomorphic function is harmonic031BG625Y3statementW031A05
A tangent is perpendicular to the radius031JV5S54DstatementW051M04
Order of a cyclic subgroup equals the order of its generator031M8HX7DAstatementW020A05
Residue theorem cauchys-residue-theorem032HKYS329statementW130E20
Factorial formula for binomial coefficients033KTKKRV6statementW005A10
Formula for the modulus034FGCEYX4statementW030A99
Triangularisation0363JMQ42YstatementW015A20, 15A21
Gauss's lemma on quadratic residues gauss-lemma037ACYXB5ZstatementW011A15
Leibniz formula for pi madhava-leibniz-series037FD5NBRTstatementW140A05
Arzelà–Ascoli theorem ascoli-theorem0381S8Z5P0statementW054C35
Freshman's dream0396VGFA78statementW113A35
Taylor's theorem with the Peano remainder03AJHX431AstatementW041A58
Generalized Euclid's lemma03BAREW1Z5statementW011A05
Law of total variance variance-decomposition-formula, eve-law03BY5XTNA4statementW060A10
Variance of the normal distribution03EESZDB9AstatementW060E05
Vector triple product triple-product-expansion, bac-cab-identity03FTB26QYDstatementW015A72
Chain rule for Jacobian matrices03GGQEAG9SstatementW026B10
Pythagorean trigonometric identity03H7WZ4T3KstatementW033B10
Triangle inequality03HF5PMY5TstatementW126A03
Mean value theorem in several variables03HGK7EW6RstatementW026B05
Wilson's theorem03KGGKTB2EstatementW111A07
Equivalence of norms in finite dimension03MC70ZRNRstatementW046B20
de Moivre's formula03MTBVG3VEstatementW133B10
Vectors are perpendicular if and only if their dot product is zero03NK6RSRQ1statementW051N20
Cauchy–Schwarz inequality for expectations cauchy-schwarz-inequality-for-random-variables03PGHKAJG3statementW060E15
A matrix is invertible iff its determinant is a unit03Q7RE2HXRstatementW015A15
Complement principle03QC59M99BstatementW005A05
Taylor's theorem03QHBVW4TTstatementW141A58
Formula for the number of derangements03RSJXF728statementW005A05
Limit of a quotient of sequences03S6GWWKEZstatementW040A05
Sum of a finite geometric progression finite-geometric-series03X8V7D64MstatementW005A19
Open mapping theorem open-mapping-theorem-complex-analysis03YEM7JEDNstatementW030A99
C^1 vector fields satisfy the Picard–Lindelöf hypotheses03Z9V0Y78AstatementW034A12
Binet's formula0404D8TN7YstatementW011B39
Lebesgue number lemma lebesgues-number-lemma040CFNJEAPstatementW054E45
Subgroups of a finite cyclic group correspond to divisors of its order fundamental-theorem-of-cyclic-groups0423TXR9ANstatementW020K01
Rational canonical form frobenius-normal-form042JWAR3Q0statementW115A21
Continuous bijection from a compact space to a Hausdorff space is a homeomorphism0430ETCMKDstatementW054D30
Uniform limits of holomorphic functions are holomorphic weierstrass-convergence-theorem0431RN0R1NstatementW030A99
Fermat's theorem on sums of two squares fermat-christmas-theorem043B3ENSTYstatementW111E25
The derangement numbers count derangements045ENVCCZVstatementW005A05
Monotonicity of probability0464Z0JP2EstatementW060A05
Every real number has a decimal expansion047KEVEZ9QstatementW011A63
Parseval's identity047RFCNVSKstatementW146C05
Maximum modulus principle maximum-modulus-theorem048F2P90WRstatementW130C80
Lagrange multiplier with one constraint lagrange-multiplier-single-constraint04A2XEX4D4statementW090C46
Exponential of a sum of commuting matrices04BD23PSK5statementW015A16
log x is at most x - 104CBRA4JRKstatementW033B10, 26D15
Determinant is multiplicative04CPJ6AF00statementW015A15
Spectral theorem for normal matrices04CW1P44VDstatementW015A21, 47B15
Variance under translation variance-is-shift-invariant04CYN5G6RYstatementW060A05
Order of a group is the index times the order of the subgroup04DC0SRN2KstatementW020D60
Uniqueness of the supremum04ETX30HT2statementW006A06
Riesz representation theorem in finite dimensions04GYPXDXNHstatementW046C05, 15A04
Density of the irrationals04J6G4H78JstatementW026A03
Dirichlet's approximation theorem04JAY9DGB7statementW011J04
Hockey-stick identity04JHQNNBFEstatementW105A19
Sum of two squares theorem04NPWJMA6HstatementW111E25
Euler's formula04R3CY41VJstatementW133B10
Cyclic groups are abelian04RG02S6BAstatementW020A05
Law of total expectation tower-property, law-of-iterated-expectations, adam-law04RRB6HM00statementW060A10
Zorn's lemma zorn-lemma, kuratowski-zorn-lemma04RXTQA5ZAstatementW103E25
Chinese remainder theorem for non-coprime moduli04SJTX9P4NstatementW011A07
Contrapositive contraposition, law-of-contraposition04T1CT7212statementW003B05
Multiplicativity of the divisor function04WC36XKV6statementW011A25
Integral of cosine04WTBQ7APQstatementW026A36
Existence of primitive roots modulo a prime04XGKK8WQWstatementW011A07
Every connected graph has a spanning tree04XPQT2XTCstatementW005C05
Monotone functions are Riemann integrable04YKAYDQPWstatementW026A42
Comparison test direct-comparison-test04Z5G0THN6statementW140A05
The real numbers are uncountable uncountability-of-the-reals0518MM6BE1statementW003E10
Euclid's lemma051VYKA1EXstatementW111A05
Product of a matrix and its adjugate0528HKWZ1ZstatementW015A09, 15A15
Eigenvalues are the roots of the characteristic polynomial053QVHF6N7statementW015A18
Compact iff complete and totally bounded054Q5PW5GXstatementW054E45
Fermat numbers are pairwise coprime goldbach-theorem-fermat-numbers05598J0Y8RstatementW011A41
PID implies UFD055HT85T3SstatementW013F15
Lebesgue's criterion for Riemann integrability lebesgue-vitali-theorem0565EGK6XPstatementW026A42
A matrix is diagonalisable iff it has a basis of eigenvectors056SW1E0ACstatementW015A20
Isosceles triangle theorem pons-asinorum, base-angles-theorem056VS31A0JstatementW051M04
Generating function for partitions0578PA53VAstatementW011P81
The nth roots of unity057BH3JC9SstatementW011R18
Number of compositions057H72B2MBstatementW005A17
Ptolemy's theorem058YS05YP5statementW151M04
Scalar triple product mixed-product, box-product059Q2XWJDCstatementW015A72
Isomorphism with the coordinate space059THXBRBBstatementW015A03
Sum of a finite geometric series05APWSX53SstatementW040A05
Expectation of a product of independent random variables multiplicativity-of-expectation05AW1G0WE1statementW060A05
Stabilisers of points in the same orbit are conjugate05BM304NRXstatementW020B05
Zeckendorf's theorem05DEJR6TGFstatementW111B39
Polarisation identity05FKHRT0B4statementW146C05, 15A63
Root test cauchy-root-test05H4DDDYBZstatementW140A05
Inner automorphism group is isomorphic to G modulo its centre05HYGWFG63statementW020F28
Poincaré lemma for one-forms on convex sets poincare-lemma05MC3HND79statementW058A12
Angle sum of a triangle triangle-angle-sum-theorem05MDKQBEAFstatementW051M04
Groups of prime order are cyclic05MM4EK4SAstatementW020D60
Subgroup criterion one-step-subgroup-test05N4TQKPH0statementW020A05
Composition of continuous maps is continuous05NK26G0DRstatementW054C05
Derivative of arctangent05P4B4Q22VstatementW033B10, 26A24
Markov's inequality05PWWHYBX5statementW160E15
Matrix of a composition is the product of matrices05Q1B7MH0MstatementW015A04
Additivity of the integral over intervals05RCDKHZM6statementW026A42
Laplacian as a sum of second partial derivatives cartesian-formula-for-the-laplacian05RCT1522RstatementW035J05
Number of edges of a complete graph05RN90E14YstatementW005C30
Harmonic numbers grow like log n05S2GSPMGAstatementW011B83, 26A12
Negation of an existential statement05SZQKH75KstatementW003B10
Equality of complex numbers05V7J4WD1CstatementW030A99
Maximal ideals are prime05WAF5T0GZstatementW013A15
Jacobian of spherical coordinates spherical-volume-element05WKRC7HWTstatementW026B15
Subgroups of solvable groups are solvable05Y0F9M0TSstatementW020F16
Law of cosines cosine-rule060ZVZBV3EstatementW151M04
Lucas–Lehmer test lucas-lehmer-primality-test061BTYA0RNstatementW111Y11
First fundamental theorem of calculus063H5KJC69statementW026A42
LaSalle's invariance principle invariance-principle, krasovskii-lasalle-principle0659J5X7B5statementW034D20, 34D23
Inclusion of a subspace is continuous065J822CKNstatementW054B05
Repeating decimals are rational065S5B9HF1statementW011A63
De Moivre–Laplace theorem de-moivre-laplace-theorem, normal-approximation-to-the-binomial065X9S8CM3statementW160F05
Closed subsets of compact sets are compact066HW6D9A7statementW054D30
The integers are countable066RJJVWH9statementW003E10
Repeated roots and the derivative067F8YVYMHstatementW013F20
Tonelli's theorem tonelli-theorem067SYD2J4BstatementW028A35
Existence of square roots of nonnegative reals068BZBXE0CstatementW026A09
Closure in a metric space068P0P32DWstatementW054E35
Uniqueness of splitting fields069A3BC3EPstatementW012F05
Comparison of a series and an integral069HKV4X1EstatementW026A42
Laplace expansion along a column06AMCJMMVMstatementW015A15
Heine–Cantor theorem heine-cantor-theorem06B8BNJCD6statementW054E45
Solution formula for linear first-order equations06B9W45XV0statementW034A30
Five colour theorem06C0JBE52DstatementW005C15, 05C10
Integral of the exponential function06D0EWR2DVstatementW026A36
Dimension of a direct product06HN47VPTHstatementW015A03
Grassmann's formula dimension-formula06HTJNCMPAstatementW015A03
Spectral theorem06J4PXRG22statementW147B15, 15A18
Classification of finite simple groups enormous-theorem06J6P03MG7statementW120D05
Power series of the exponential function06JZGMYTYDstatementW033B10
The minimal polynomial divides every polynomial vanishing at the element06K7SARZKRstatementW012F05
Every spanning set contains a basis06MRNP4BNTstatementW015A03
Cauchy criterion for series06PVXMY0THstatementW140A05
Dimension of the annihilator06Q1EFVH0QstatementW015A03, 15A04
cosh^2 - sinh^2 = 106QCTRFBM0statementW033B10
Units of the Gaussian integers06RH4XAGRYstatementW011R11
Number of invertible residues modulo n06RJWZCG95statementW011A07
Continuous functions are Riemann integrable06SESV7GQYstatementW026A42
Existence of Laurent expansions on an annulus laurents-theorem, laurent-expansion-theorem06WHRARZKYstatementW030B10
Converse of Wilson's theorem06WRV8HFDYstatementW011A51
Continuous image of a closed interval is a closed interval06ZARTQTQEstatementW026A15
Geometric formula for the dot product070TXS9AXMstatementW051N20
Congruence is compatible with multiplication072D5G4SK6statementW011A07
Limit of a product of sequences0734RSVF2VstatementW040A05
Cyclic groups of the same order are isomorphic0736AXH2MEstatementW020A05
Third isomorphism theorem for rings073C80EC63statementW016D25
Associativity of matrix multiplication073E4XC016statementW015A99
Kolmogorov's zero–one law kolmogorov-0-1-law, kolmogorov-zero-one-law073Q8Z94KGstatementW060F20
Correspondence between equivalence relations and partitions fundamental-theorem-of-equivalence-relations074482Q7CDstatementW003E20
One-sided inverse of a square matrix is two-sided0753Y2X5K6statementW015A09
The reals have the cardinality of the continuum cardinality-of-the-reals075PM9FH7AstatementW003E10
Uniqueness of the derivative0762WAE49PstatementW026B05
Independent random variables are uncorrelated077GN9HDR6statementW060A05
Determinant of the inverse0783S9D0ZHstatementW015A15
Continuity of the inverse of a strictly monotone continuous function07BY47HG5SstatementW026A48
Classification of finite abelian groups fundamental-theorem-of-finite-abelian-groups, basis-theorem-for-finite-abelian-groups07CQR9BW3RstatementW020K01
Lcm of coprime integers07CZYE06ZJstatementW011A05
Lipschitz maps are uniformly continuous07DCKDXRBPstatementW026A16
Cauchy–Hadamard theorem cauchy-hadamard-formula07E5MB1CA2statementW130B10
Disjoint cycles commute07E6D8R4D6statementW020B30
Composition of surjections is surjective surjective-comp07EH4R3RVQstatementW003E20
Grönwall's inequality gronwall-lemma, gronwall-bellman-inequality07EJHQYR9AstatementW026D10, 34A40
Pépin's test07HXA8KV6FstatementW111Y11
A function with positive derivative is strictly increasing07J5X2T1ZXstatementW026A24
i squared is minus one07KBQCG9KVstatementW012D99
If 2^p − 1 is prime then p is prime07MMWAXMYDstatementW011A41
Fermat's Last Theorem for n = 307NKG38VEGstatementW011D25
Menelaus's theorem07NSKDGS7SstatementW151M04
Heine–Borel theorem heine-borel-theorem07PFYV65MBstatementW154E45
Möbius inversion formula07Q4TBTFVBstatementW111A25
Third isomorphism theorem for vector spaces07RB3EMBWWstatementW015A03, 16D10
Derivatives of the hyperbolic functions07T2TKGZ4JstatementW033B10, 26A24
Young's inequality for products07VHQ31EYJstatementW126D15
Derivative of the logarithm07X1QA6BRWstatementW033B10, 26A24
Differentiable functions are continuous07ZMX4ANJSstatementW026A24
Anticommutativity of the cross product07ZS685JJCstatementW015A72
Every integer is a square times a square-free integer080Q3RPKY6statementW011A51
Linearity of the integral080RWVVSB6statementW026A42
Rational root theorem rational-root-test0819CQ1V8HstatementW112E05
Finite p-groups are nilpotent081WTKYX6CstatementW020D15, 20F18
Holomorphic functions are analytic analyticity-of-holomorphic-functions0826SGV3R0statementW030B10
Absolutely convergent series in a Banach space converge082MGNWNA8statementW040A05
Fundamental theorem of arithmetic unique-factorization-theorem, unique-prime-factorization-theorem084HH1NDCBstatementW111A51
P-adic valuation of a product0850JJMJYZstatementW011A51
Angle bisector theorem0859R2V6ESstatementW151M04
Jordan normal form jordan-canonical-form085HQ5G5TEstatementW115A21, 15A20
Law of quadratic reciprocity quadratic-reciprocity085MJS6907statementW111A15
Fermat's right triangle theorem086BE0J3FZstatementW111D25
Mean of the Poisson distribution086HEVXR9ZstatementW060E05
Chevalley–Warning theorem08895Q5W96statementW011T06
Divergence part of the ratio test08AM0KRCZ1statementW040A05
Class equation class-formula08BPSC6YTEstatementW020E45
Product of primitive polynomials is primitive08C1NWBNHAstatementW013F20
Existence of an eigenvalue over an algebraically closed field08CJB2NQ92statementW015A18
Product of cyclic groups is cyclic iff the orders are coprime08FDFEF8D1statementW020K01
Homomorphisms preserve identity and inverses08FKQD7NJ3statementW020A05
Product of countable sets is countable08G4XH86JCstatementW003E10
Tutte's theorem08J7R35B6QstatementW105C70
Distributive laws for sets distributivity-of-union-and-intersection08N6EVA7DVstatementW003E20
Product formula for the order of HK08PY4GNAPKstatementW020D60
Picard's great theorem big-picard-theorem, great-picard-theorem08QA8QTM71statementW030D35
Independence means the joint law is the product of the marginals08QCA2F1NXstatementW060A05
Number of functions between finite sets08QQH9F7G0statementW005A05
Order of an element divides the order of the group08V7JHS3QZstatementW020D60
Power series of cosine08W5RN375XstatementW033B10, 30B10
Hall's marriage theorem08WCB90WNDstatementW005D15
Cauchy–Binet formula08WE2W7DYSstatementW115A15
Euler's four-square identity08WTN6SCQ6statementW011E25
An iterate of the Picard operator is a contraction08XDXP86XEstatementW034A12, 47H10
Integration by parts08Y1BBQTK9statementW126A42
Subfields of a finite field08YERZDM9XstatementW012E20
Steinitz exchange lemma replacement-theorem08ZDRN6H41statementW015A03
An injective endomorphism of a finite-dimensional space is surjective0912EEEVCTstatementW015A04
Euler's identity09285XX7AEstatementW133B10
Minimal polynomial divides the characteristic polynomial093X6MN6Y6statementW015A18
In a PID a nonzero element is irreducible iff it generates a maximal ideal095ZHQ7WCJstatementW013F10
Unique paths in trees096B7Q5742statementW005C05
Geometric solutions come from roots of the characteristic polynomial096SD4ERQHstatementW039A06
Linearly independent set of the right size is a basis096V7H13H9statementW015A03
Cramer's rule0977KZ6PQBstatementW115A06, 15A15
Riesz's lemma riesz-lemma097C7KCAT5statementW046B20
Intermediate value theorem for connected spaces intermediate-value-theorem098C0KZZAPstatementW054D05
Fixed points of a p-group action098D2E7DEHstatementW020D15, 20B05
Peano existence theorem cauchy-peano-theorem, peano-theorem098YP831QYstatementW134A12
Power series of the complex logarithm mercator-series, newton-mercator-series09BG0Y7SZDstatementW030B10
Area of a region as a line integral area-by-greens-theorem09CBQB6V67statementW026B20
Open sets characterised by neighbourhoods09CJ00H3NWstatementW054A05
Coordinates in an orthonormal basis09DZ8CD1AKstatementW015A63, 46C05
Trace of a transpose09E1RCZ7YTstatementW015A15
Epsilon-N definition of the limit of a sequence09G6KHS6GYstatementW040A05
Second Sylow theorem09GCQ5STVJstatementW020D20
Transpose of a product09GK5PS824statementW015A99
Closed sets contain their limits09GQ3ZTQJ9statementW054E35
Completeness of the space of bounded continuous functions09GRCZVR5EstatementW054C35
Euler's polyhedron formula euler-formula-for-polyhedra09HT3P35YPstatementW052B10
Sum of the totient over the divisors gauss-totient-sum09JXE6XMCCstatementW011A25
Groups of order p squared are abelian09JZ9P4899statementW020D15
Ring homomorphisms from a field are injective09N7DZ7SDBstatementW012E99
Finite intersection of open sets is open09NDE9V7X1statementW054E35
De Morgan's laws de-morgan-laws09PKJKA6J0statementW103B05
Mean of the normal distribution09PR1V6RWRstatementW060E05
Liouville's formula abel-jacobi-liouville-identity09PS3S0EF6statementW034A30
Cancellation in congruences09RDZZGJZ9statementW011A07
The rationals form an ordered field09RFKMBQ63statementW012J15
Every walk contains a path09VZBHB33VstatementW005C38
Permuting rows multiplies the determinant by the sign09YB3WQG38statementW015A15
Divisibility by 1109YBMJTNBMstatementW011A63
Intersection of closed sets is closed09YMV8H4X5statementW054E35
The number of Sylow subgroups is the index of the normaliser09ZJ6CAK7SstatementW020D20
Product of compact sets is compact09ZKE5XQ74statementW054D30
Determinant of a matrix exponential0A1QQN333AstatementW015A16, 15A15
Open sets of a metric space0A26X79RTBstatementW054E35
The reals are Archimedean0A3GWZ86AYstatementW026A03
Derivative gives the directional derivatives0A6PMR20N4statementW026B05
Archimedean property0A74SX55QPstatementW012J15
Baire category theorem0A7KGAYHGVstatementW154E52
Tower law multiplicativity-formula-for-degrees0A7KJ68XHTstatementW012F05
Chain rule for a composition with a curve0A8TJ0VHC7statementW026B05
Schröder–Bernstein theorem cantor-bernstein-theorem, cantor-schroeder-bernstein-theorem0A9V6RKQG6statementW103E10
Finite-dimensional normed spaces are complete0ABP2F2ZP7statementW046B99
Metrizable spaces are normal0AD0BZ49DWstatementW054E35
If G modulo its centre is cyclic then G is abelian0AH9Q6YNMTstatementW020A05
Stokes' theorem kelvin-stokes-theorem0AKRKVHW94statementW126B20
Gram matrices are positive semidefinite0AM050KCAWstatementW015B57, 15A63
Cauchy product of absolutely convergent series0AN28XQ45ZstatementW040A05
Second isomorphism theorem for vector spaces0APN65D6Y6statementW015A03, 16D10
The symmetric group is generated by transpositions0AQNX7G443statementW020B30
Differentiation under the integral sign leibniz-integral-rule0AR06W1E1BstatementW126B15
Simplicity of the alternating group0ARPRJQWZ2statementW020B30, 20D06
The Möbius function is the inverse of the constant function 10ASC73QEQTstatementW011A25
Boundedness theorem0ATVXC3NCCstatementW026A15
R/P is an integral domain iff P is prime0AVXBEC05WstatementW013A15
Totient of a prime power0AVY8HKBGDstatementW011A25
K[x]/(f) is a field iff f is irreducible0AWMPX35CWstatementW012E05
Completeness axiom least-upper-bound-property, supremum-property, dedekind-completeness0AXWET80YWstatementW026A03
Moment-generating function of the normal distribution0B1G4E21G7statementW060E10
Curl-free vector field on a convex set is conservative poincare-lemma-for-vector-fields0B22P010D6statementW026B12
Open balls are open0B2305GNAZstatementW054E35
R[x] is an integral domain iff R is0B5Z1EC66JstatementW013F20
Legendre's three-square theorem0B64Q7XNE3statementW011E25
Continuity via closed sets0B8GPXFSP7statementW054C05
Cauchy condensation test0B96KMDDD1statementW140A05
Connected subsets of the real line are intervals0B9ZQFMQNVstatementW054D05
Mean value theorem lagrange-mean-value-theorem0BARQY52N5statementW126A24
Matrix determinant lemma0BC3Q6K92HstatementW015A15
Order of the Galois group of a Galois extension equals its degree0BDJBH8B4ZstatementW012F10
Solutions for complex conjugate roots0BEZX8F2XWstatementW034A30
Global existence for globally Lipschitz vector fields0BFD3A6CRHstatementW034A12
Weak law of large numbers khinchin-law, bernoulli-law-of-large-numbers0BFDHF2H7NstatementW060F05
Number of k-element subsets0BFMR2FQ8BstatementW005A10
Path independence of line integrals conservative-iff-path-independent0BFN21TF5FstatementW026B20
A linear map is injective iff its kernel is trivial0BJBYCGMWEstatementW015A04
Mertens' theorem on Cauchy products0BJSWZJG18statementW040A05
Hölder's inequality for sums0BKDAGMGX9statementW026D15
Fermat's little theorem in the form a^p = a0BMXWXDVJZstatementW011A07
Trees are bipartite0BN2A6EBYAstatementW005C05
Side-side-side congruence sss-congruence0BRBYRK6PAstatementW051M04
Goursat's theorem goursat-lemma0BRG85WXYCstatementW030E20
Polar form polar-form-of-a-complex-number0BRXFNQ5JVstatementW030A99
Quotient rule0BS0NJPKVEstatementW126A24
Multiplication rule chain-rule-of-probability, general-product-rule0BS3RMX8HMstatementW060A05
Riemann's theorem on removable singularities riemann-removable-singularity-theorem0BSQDZWF34statementW030D30
Pythagorean theorem in an inner product space0BVTDM872VstatementW046C05
Uniform limits commute with integration0BWGW68B66statementW040A30, 26A42
Power series converge uniformly on smaller discs inside the radius of convergence0BWXV7GADWstatementW030B10, 40A30
Ring of integers0BXA4Q0JHWstatementW013A99
Implicit function theorem implicit-function-theorem0BXBADR94CstatementW126B10
Slopes of a convex function are increasing0BY5FTHEEEstatementW026A51
Generalized pigeonhole principle0BY7GN3449statementW005A05
Zero derivative on a connected open set implies constant0BYZTFM0DJstatementW026B05
Addition rule for two events inclusion-exclusion-for-two-events0BZQ6ZX584statementW060A05
Order of the dihedral group0BZVNWJ352statementW020B25
Recurrence for Stirling numbers of the second kind0C019SDTERstatementW011B73
Laplace expansion along a row cofactor-expansion0C08BQ3M05statementW015A15
Linear maps on finite-dimensional spaces are continuous0C13E623WDstatementW047B01
Determinant is the product of the eigenvalues0C2F40MEBCstatementW015A15, 15A18
Associativity of addition0C32J27WQCstatementW003F30
Euler product formula0C3PN4075RstatementW011M06
Eigenvalues of a self-adjoint operator are real0C4NT4GT3XstatementW047B15, 15A18
Inclusion–exclusion for two sets0C4YEQ9H5EstatementW005A05
Recurrence for Stirling numbers of the first kind0C5BFX94J9statementW011B73
Number of subsets of a finite set0C5RDJE73XstatementW005A05
Polynomial functions are continuous0C5TP6RYSVstatementW026A15
Reverse triangle inequality0C9S13WKMFstatementW026A03
The kernel is a normal subgroup0C9ZKYSPYRstatementW020A05
A finite field of order q is the splitting field of x^q - x0CDAHW576MstatementW012E20
Degrees along an Eulerian trail0CDVDGWGEGstatementW005C45
Universal property of the free group0CDWKDYWN6statementW020E05
Number of permutations0CEBCS0E0EstatementW005A05
Classification of complex quadratic forms0CEX9BRXRZstatementW011E04, 15A63
exp(2 pi i/n) is a primitive root of unity0CF0XGYHNJstatementW011R18
Division algorithm euclidean-division, division-with-remainder0CHQKZFK5SstatementW011A05
Finite subgroups of the multiplicative group of a field are cyclic0CKGBEJX6BstatementW012E20
Abel's test0CN97GADE5statementW140A05
Impossibility of doubling the cube0CQ357M0QSstatementW012F05
Uniform convergence of derivatives allows term-by-term differentiation0CS42KEM5CstatementW040A30, 26A24
Exponential growth beats polynomial growth0CT6CBGTYYstatementW026A12, 33B10
First isomorphism theorem fundamental-theorem-on-homomorphisms0CXXJNG5B6statementW020A05
Linearity of the derivative0CXZ217QDPstatementW026B05
Derivative of a continuous linear map0CYYAF8AD2statementW026B05
Fibonacci recurrence0D0SMQYEJAstatementW011B39
Correspondence theorem for rings fourth-isomorphism-theorem-for-rings, lattice-theorem-for-rings0D1R4SVMBQstatementW016D25
A set is closed iff it equals its closure0D2W7FS52TstatementW054A05
Integration by substitution change-of-variables-formula0D37QFPEZEstatementW126A42
Consecutive Fibonacci numbers are coprime0D3PFXEAKFstatementW011B39
Rouché's theorem rouche-theorem0D430QR02WstatementW130C15
A continuous injective function on an interval is strictly monotone0D6FCW80A0statementW026A48
Polynomial ring over a UFD is a UFD0D6KH8Y59NstatementW013F15
Zero is not a successor0D752BG155statementW003F30
The exponential function is convex0D7GRZ2ADXstatementW026A51
Variance of a sum0D86GJEZ39statementW060A05
Limits are unique in Hausdorff spaces0D8T984XEEstatementW054D10
Uniqueness of inverses0D9NDGE9KPstatementW020A05
Mean of the geometric distribution0DB0R4N5XXstatementW060E05
Matrix of the adjoint is the conjugate transpose0DBTE6HVBDstatementW015A04, 47A05
Strong law of large numbers kolmogorov-strong-law0DFWHQ839TstatementW060F15
Finite extensions are algebraic0DFYTNZ6AMstatementW012F05
Commutativity of addition0DFZNHJ0S2statementW003F30
Cauchy's integral formula cauchy-integral-formula0DG10TVYPNstatementW130E20
Spectral theorem for Hermitian matrices0DGZBQWZWNstatementW015A18, 15B57
Order of a permutation is the lcm of its cycle lengths0DH7HMXP9FstatementW020B30
Estimation lemma ml-inequality, ml-lemma0DJMGPN8K9statementW030A10
Cosets have the same cardinality as the subgroup0DKMBWTD7PstatementW020A05
Basel problem sum-of-reciprocals-of-squares0DMY75D6FVstatementW140A05
K[x] is a Euclidean domain0DQG39K2NHstatementW013F07
Universal property of the polynomial ring0DQMDSVSXJstatementW013F20
Bézout's identity bezout-lemma, bezouts-lemma0DQVHMYAGAstatementW111A05
Inequality of arithmetic and geometric means am-gm-inequality0DRF0F3XC9statementW026E60
The rationals are countable0DS9KWFDK2statementW003E10
Stone's representation theorem for finite Boolean algebras0DYS9C3HH5statementW006E05, 06E15
Irrationality of the square root of 20DZGSDHD92statementW011J72
Number of nth roots of unity0E021GF2B8statementW011R18
Jordan–Hölder theorem jordan-holder-theorem0E088ZP533statementW020E15, 20D30
Primitive root theorem0E0DNQK22PstatementW011A07
Orbit-stabiliser theorem orbit-stabilizer-theorem0E2HSCKZ6CstatementW020B05
Dimension of the orthogonal complement0E2NYPVSP9statementW015A03, 46C05
Law of total probability rule-of-elimination0E5G5FMT2RstatementW060A05
Convergents converge to the number0E70M92FE3statementW011A55
Fermat's Last Theorem for n = 40E741HSMJ1statementW011D25
Riemann rearrangement theorem riemann-series-theorem0E7VBYGFF7statementW140A05
Exponential of a sum0E8HNVBCSPstatementW033B10
Harmonic series diverges0E9M24KS9JstatementW040A05
Chain rule in several variables multivariable-chain-rule0EAAS2EHDRstatementW026B05
A composite number has a prime factor at most its square root0EB6BBMQMCstatementW011A51
A finite integral domain is a field0EBE031B8EstatementW013G05
The multiplicative group of a finite field is cyclic0EBZ3G455GstatementW012E20
Existence of the infimum0EDH403M21statementW026A03
Neyman–Pearson lemma neyman-pearson-lemma0EE19CFEEFstatementW162F03
Rule of sum addition-principle, sum-rule0EE2V3CHFKstatementW005A05
Boole's inequality union-bound0EGSEE9J9RstatementW160E15
Prime number theorem0EHBY5Y84NstatementW111N05
Liouville's theorem liouvilles-theorem-complex-analysis0EHKVRF4J6statementW130D20
Binomial theorem0EHWPWGHB2statementW105A10
Universal property of the abelianisation0EJ4PC8NJ6statementW020F12
Epsilon-delta continuity in metric spaces0EKGKY5TGHstatementW054E35
Existence of nontrivial solutions of Pell's equation0EM6C9SZN5statementW011D09
Inverse in terms of the adjugate0ENVM493VKstatementW015A09
Continuous image of a connected set is connected0EPD87YVG8statementW054D05
Convergence in probability implies convergence in distribution0EPTDZPJ83statementW060F05
Central limit theorem clt, lindeberg-levy-central-limit-theorem0EPZC4Z1FCstatementW160F05
QR decomposition0ERWG4NXQ9statementW115A23, 65F25
Divisibility by 90ESHD7ZQDXstatementW011A63
Existence of an algebraic closure0ETGBAK2CCstatementW012F05
Gershgorin circle theorem0ETGP0XVCJstatementW115A42, 15A18
Poincaré–Bendixson theorem0EW1X61ZT1statementW034C05, 37C27
Impossibility of trisecting the angle0EWXPZCSZ0statementW012F05
The exponential function is its own derivative0EX9GFJ0B3statementW033B10, 26A24
Cantor's intersection theorem0EZBG8SKJMstatementW154D30
Cauchy's integral formula for derivatives cauchy-differentiation-formula0F0H5P5DEDstatementW030E20
Prime elements are irreducible in an integral domain0F0K8DB9TDstatementW013A05
Superposition principle0F2VBPXNP9statementW034A30
Bounded linear maps are continuous0F3K4C7XYWstatementW047B01
Derivative vanishes at a local extremum fermat-theorem-several-variables, interior-extremum-theorem-several-variables0F405477F8statementW026B05
Divergence of a curl is zero div-curl-vanishes0F56CMMC5PstatementW026B12
g to the n equals 1 iff the order divides n power-is-identity-iff-order-divides0F5QC101Q7statementW020A05
Cayley–Hamilton theorem0F765KFC2JstatementW115A24, 15A18
Closed subsets of complete spaces are complete0FBXJZX3MKstatementW054E50
The gamma function extends the factorial0FDCW77H44statementW033B15
A subgroup whose index is the smallest prime divisor of the order is normal0FEBE9NC0EstatementW020D60
e as the limit of (1 + 1/n)^n0FEMF8JKAFstatementW026A09
Universal property of the quotient topology0FF2FJ8CH2statementW054B15
Inclusion–exclusion principle0FF7726C7PstatementW105A05
The reals form a field0FGENPMPJXstatementW012D99
Characterization of bridges0FHM8DB6PMstatementW005C40
Epsilon-delta uniform continuity0FHSDCQACYstatementW054E40
Chromatic number of a complete bipartite graph0FJBBCXYPSstatementW005C15
Bertrand's postulate bertrand-chebyshev-theorem, chebyshev-theorem0FJTGZA4GSstatementW111N05
Triangle inequality for norms0FJZMBX0ZZstatementW046B20
Simultaneous diagonalisation0FK17N4DKAstatementW015A20, 15A27
Monotone convergence theorem for sequences0FM6N4R0VBstatementW140A05
Burnside's p^a q^b theorem burnsides-theorem0FMAQSB1SCstatementW020D10
Chinese remainder theorem0FNN9B4W64statementW111A07
Lévy's continuity theorem levy-continuity-theorem0FPWF7TTMBstatementW060E10, 60F05
Inverse of a complex number0FQRAV5SKHstatementW012D99
Comparison test for improper integrals0FR1BDKK10statementW040A10
Heron's formula heros-formula0FRBZ2X4HJstatementW151M25
The complex numbers form a field0FRSR10DWFstatementW012D99
Trace is a coefficient of the characteristic polynomial0FRYPZ6D0XstatementW015A15, 15A18
Infinite pigeonhole principle0FS3RHF6KEstatementW005A05
Determinant of a matrix with a zero row0FS6B46E5TstatementW015A15
Bertrand's ballot theorem0FS972T0ZHstatementW105A15
Reversing a path changes the sign of a line integral orientation-reversal-of-line-integrals0FSCXYG856statementW026B12
Multiplicativity of the totient function0FSJA9M43WstatementW011A25
Second derivative test0FZFHK97P7statementW026A24
Transcendence of pi lindemann-s-theorem0G0F7FGCGPstatementW011J81
Sylvester's determinant theorem weinstein-aronszajn-identity0G24VQ1088statementW015A15
The complex exponential is entire0G2YJN0H5SstatementW033B10
Continuous dependence on initial data0G3DBXRRQJstatementW034A12
Automorphism group of a cyclic group0G4C8SJ6PVstatementW020F28
Derivative of the inverse function inverse-derivative-formula0G65751VSWstatementW026B10
Cauchy sequences are bounded0G6D8E7CTAstatementW040A05
Uniqueness of the complete ordered field0G8G1TH5WKstatementW012J15
Inscribed angle theorem central-angle-theorem0GA1V8NN8CstatementW051M04
Derivative of arcsine0GA6G43EA9statementW033B10, 26A24
Epsilon-delta definition of a limit0GBZDAFPX8statementW026A03
Induction from an arbitrary base case0GF6AJEBZ0statementW003F30
General solution of an inhomogeneous linear equation0GHWEH6H15statementW034A30
Universal property of the quotient group factorization-through-the-quotient0GJ83E78A5statementW020A05
Cancellation in an integral domain0GJM24EXP9statementW013G05
Trace is linear0GJWQZCPZMstatementW015A15
Addition formulas for hyperbolic functions0GJZCE87WPstatementW033B10
Solution space of a homogeneous linear equation has dimension n0GK68PZ6KHstatementW034A30
Absolute value is multiplicative0GMV7GP8W0statementW026A03
Nilpotent groups are solvable0GNG2KVPZJstatementW020F18, 20F16
Dirichlet's theorem on arithmetic progressions dirichlet-prime-number-theorem0GNVN3CA2PstatementW111N13
Cardinality of the power set0GPFKS96T7statementW003E10
The medians meet at the centroid0GPQ67XV7NstatementW051M04
Quotient of continuous functions is continuous0GR2APWTACstatementW026A15
Angles in the same segment are equal0GS0AW6JRYstatementW051M04
Thales's theorem0GSDHYMA1TstatementW151M04
Cavalieri's principle method-of-indivisibles0GTZ2F3PQYstatementW128A75
Bijection principle0GV2573FP4statementW005A19
Fundamental theorem of symmetric polynomials0GW1ZZH0R4statementW005E05
Integral of sine0GXCXCX3QNstatementW026A36
Units of Z/nZ are the residues coprime to n0GXNHEHQNAstatementW011A07, 20K01
Second derivative test in several variables second-partial-derivative-test0GYDV9FE98statementW049K10
Divergence theorem on a rectangle in the plane planar-divergence-theorem-rectangle0GZ3D8F921statementW026B20
The order of a finite field is a prime power0H5WWC8RZXstatementW012E20
Taylor's theorem with the Lagrange remainder0H5ZAZCX2TstatementW041A80
Changing the order of integration reversing-order-of-integration0H60H1Q0SXstatementW026B15
Product of power series0H6KWAYS87statementW013F25
Every finite tree with at least two vertices has a leaf0H8Q4MANBDstatementW005C05
Rule of Sarrus0H8SZFFDXJstatementW015A15
Interior is the largest open subset0HAZEFH137statementW054A05
Induction on the integers0HBS1F00DNstatementW011A99
Union of open sets is open0HEF46RPEKstatementW054E35
Russell's paradox russell-paradox0HESMMSYEGstatementW103E30
Pigeonhole principle0HGVCWQGY3statementW105A05
Solutions for distinct real roots0HJ0HDA6W7statementW034A30
Second isomorphism theorem for rings0HJ4DTW6FNstatementW016D25
A sequence converges iff its liminf and limsup agree0HM732ZNVCstatementW040A05
Eigenvectors with distinct eigenvalues are linearly independent0HNMFG8F8KstatementW015A18
Generalised Stokes theorem stokes-cartan-theorem0HPHKCGEQ0statementW058C35
Green's theorem0HR3N02317statementW126B20
Solutions for repeated roots0HRVY67CNVstatementW034A30
Axiom of choice ac, axiom-of-choice0HTGB13FE2statementW103E25
Rouché–Capelli theorem kronecker-capelli-theorem0HV1SKWPMSstatementW015A06
Limit comparison test0HW7BNHHGFstatementW140A05
Totient of a prime0HY1MXMEN9statementW011A25
Eigenvalues of a positive definite matrix are positive0HYC2RHD3MstatementW015B57, 15A18
Injective iff it has a left inverse0HYFEEZAEMstatementW003E20
Modulus is multiplicative0HYNZE940TstatementW030A99
Mean value property mean-value-property-of-harmonic-functions, gauss-mean-value-theorem0HYPR64JM2statementW031A05
Solutions of Pell's equation are powers of the fundamental solution0J1TT091TNstatementW011D09
Polar decomposition0J2C7BDJQAstatementW115A23
Conjugacy classes of the symmetric group correspond to cycle types0J438GAC8KstatementW020B30
The symmetric group on five or more letters is not solvable0J53NE674DstatementW020F16, 20B30
Congruence is compatible with powers0J5VGJYYC3statementW011A07
Intersecting secants theorem secant-theorem0J5XR7BW2SstatementW051M04
Lyapunov's stability theorem lyapunov-direct-method0J6A752DTZstatementW034D20
Associativity of composition composition-is-associative0J6AKYZQT8statementW003E20
Kuratowski's theorem0J6G5NJC5RstatementW005C10
Rearrangements of an absolutely convergent series have the same sum0J76TP9FGDstatementW040A05
Logarithm of a quotient0J7PHRBNNSstatementW033B10
Sperner's theorem0J87V9K1GEstatementW105D05
Taylor's theorem in several variables multivariate-taylor-theorem0J8T4K4YTEstatementW026B12
Determinant of a block triangular matrix0J9TVTNB4KstatementW015A15
Ratio formula for the radius of convergence0JBMYAA9QHstatementW030B10
Vector calculus identities product-rules-for-grad-div-curl0JC5X4HWR2statementW026B12
Sign is a homomorphism0JEJJCB0EXstatementW020B30
The cumulative distribution function determines the distribution0JEVZAFDY6statementW060E05
Turán's theorem0JG1KZSPFZstatementW005C35
Eigenspaces of a self-adjoint operator are orthogonal0JHGAV9H25statementW047B15, 15A18
Cauchy's estimates cauchy-inequalities, cauchy-estimate0JJRENWMP6statementW030A10
Abelian simple groups have prime order0JJV80RXHDstatementW020E32, 20K01
Cauchy's theorem cauchys-theorem-group-theory0JM7PA288BstatementW020D20
Lindemann–Weierstrass theorem0JNCBFMPXRstatementW111J81
Convolution theorem for the Laplace transform0JNMJEDD93statementW044A10, 44A35
Fundamental theorem of algebra dalembert-gauss-theorem, dalemberts-theorem0JP0W07Y9AstatementW112D10
Kőnig's theorem0JP0ZF57PNstatementW105C70
Subgroups of abelian groups are normal0JPDTEDCFDstatementW020A05
Order of the general linear group over a finite field0JQ1KNQW2KstatementW020G40
Weierstrass approximation theorem0JQE130DHWstatementW041A10
Estimate for approximate solutions0JTPMCCZT2statementW034A12, 34A45
Tychonoff's theorem tychonoff-theorem0JTRSJKCFBstatementW154D30
An orthonormal family is linearly independent0JWM6GJNQWstatementW015A63, 46C05
L'Hôpital's rule lhopital-rule, bernoulli-rule0JWT4PPQ7BstatementW126A24
Divergence theorem gauss-theorem, gauss-ostrogradsky-theorem0JX86PSSA9statementW126B20
Legendre's theorem on continued fractions0JXTQ392ZMstatementW011J70
Lifting-the-exponent lemma lte-lemma0JYF6PTKEWstatementW111A51
Power rule0JZGW75C5ZstatementW126A24
Laplace transform of a derivative0K090GVHVNstatementW044A10
Distance from a point to a plane0K1E2S6Z69statementW151N20
Lipschitz functions are uniformly continuous0K1EWAR6AFstatementW026A16
Determinant of a triangular matrix0K1KKMFHYHstatementW015A15
Integral of 1/x0K1N1Y4EGZstatementW026A36
Brahmagupta–Fibonacci identity diophantus-identity0K2DMACEZ4statementW011E25
Logarithm of a product0K2FNY6DYVstatementW033B10
Minkowski's theorem minkowski-convex-body-theorem0K387S2PKQstatementW011H06
Factor theorem0K3MWA7DMCstatementW113F20
Determinant of a matrix with two equal rows0K4VQB7HWRstatementW015A15
Complement of an open set is closed0K67Q60Z8PstatementW054A05
Isolated zeros theorem principle-of-isolated-zeros, zeros-are-isolated0K83KEJ43PstatementW030C15
Compactness and sequential compactness agree in metric spaces0K8SGQSV7GstatementW054E45
Continuous image of a compact set is compact0K9AAJ8G51statementW054D30
Inverse function theorem inverse-mapping-theorem0K9HSJFCMJstatementW126B10
General Leibniz rule0K9QCK6WJCstatementW126A24
Determinant via the Schur complement0KA7A4ENVJstatementW015A15
Sum of binomial coefficients0KAMF19NV8statementW005A10
Subgroups of cyclic groups are cyclic0KB1ND7XDSstatementW020K27
Distributive law distributivity-of-multiplication-over-addition0KBEMAJAYAstatementW003F30
Stirling's formula stirling-approximation0KC0F51T6AstatementW141A60, 05A10
Bolzano–Weierstrass theorem0KDJD249DTstatementW140A05
Classification of Pythagorean triples euclid-formula0KF3J2KAERstatementW011D09
The alternating group is generated by three-cycles0KFZ0QX83GstatementW020B30
A polynomial over a field has at most as many roots as its degree0KJVQV3E0FstatementW012E05
One-sided limits of a monotone function exist0KJXHN0TW0statementW026A48
Hausdorff maximal principle maximal-chain-principle0KM4KVR9MVstatementW103E25
Determinant of a linear map is the determinant of its matrix0KMN32XGPFstatementW015A04, 15A15
Strong induction complete-induction, course-of-values-induction0KMVFSHFGZstatementW003F30
The exponential function is strictly increasing0KN2V7840EstatementW033B10
Ceva's theorem0KN93VDSXAstatementW151M04
Variance under scaling0KVQ9D86BMstatementW060A05
Reduction modulo p test for irreducibility0KWWEXW0RNstatementW012E05
Radius of convergence of the binomial series0KX1MXJ5MRstatementW030B10
Continuous partial derivatives imply differentiability0KXSK8TEEBstatementW026B05
Derivative of x^a0KY08TWDMQstatementW026A24, 26A09
Lagrange's four-square theorem0KYYSMEVHHstatementW111E25
Quadratic formula0KYZXYDGQZstatementW112D10
Derivative of an inverse function inverse-function-rule0M0RZ3HSB0statementW126A24
Linearity of differentiation sum-rule-for-derivatives0M0TKFRX2AstatementW026A24
Intercept theorem basic-proportionality-theorem, thales-theorem-on-proportions0M1GFS6PVAstatementW051M04
Bernoulli's inequality0M1MX28VXKstatementW126D05
Fermat's little theorem0M25PRN3WQstatementW111A07
Curl of a gradient is zero curl-grad-vanishes0M2JRW1J0NstatementW026B12
Cayley's formula0M2SSGSYPEstatementW005C30
The number of Sylow subgroups divides the index0M3PYJ3TSEstatementW020D20
Four colour theorem0M406JC8J1statementW105C15, 05C10
Every linearly independent set extends to a basis0M4SXE5WW3statementW015A03
Classification of the Platonic solids0M4TCS0RRGstatementW051M20
Existence of inverses modulo n0M67FWZWPQstatementW011A07
The only ideals of a field are zero and the whole field0M6G75E95EstatementW012E99
Universal property of the product topology0M6W4XNST6statementW054B10
Euler's criterion0M7DEDKSYBstatementW111A15
Vieta's formulas0M8EWQJ1YVstatementW112D10
Approximation property of the supremum0M8TGGP9JPstatementW026A03
Schwarz lemma schwarzs-lemma0MB48XDBY3statementW130C80
Monotonicity of the integral0MBWQKM8QRstatementW026A42
A finite abelian group is cyclic iff its exponent equals its order0MC0AQZSHEstatementW020K01
Orthogonal projection is the closest point0MCDDSCB9ZstatementW046C05, 65F20
Epsilon characterisation of Cauchy sequences0MCK8K2D7ZstatementW054E35
Division algorithm for polynomials euclidean-division-of-polynomials0MES3KS0ZCstatementW013F20
Derivative of a polynomial0MH1WK89PPstatementW026A24
Wronskian test for linear independence of solutions0MHE4B1QCQstatementW034A30
Every sequence has a monotone subsequence0MHGJRZMTMstatementW040A05
A ring homomorphism is injective iff its kernel is zero0MMCB8RXGAstatementW016B99
Continuum hypothesis ch0MN2MER9WNstatementW103E50
Derivative as a little-o approximation0MN882VJ4PstatementW026B05
Diagonalisable iff the minimal polynomial has distinct roots0MPAJRB23TstatementW015A20
Compact Hausdorff spaces are normal0MQQQ5NA2SstatementW054D30
Change of basis formula0MQXVZEBMTstatementW015A04
A quotient is abelian iff the subgroup contains the commutator subgroup0MS8QGA6S5statementW020F12
Test for exactness0MSCQNFTM8statementW034A05
First isomorphism theorem for linear maps0MTBGVZ4XJstatementW015A04, 16D10
Exponentials dominate powers in sequences0MVTCFW42KstatementW026A12
A series of nonnegative terms converges iff its partial sums are bounded0MX1HZBBXJstatementW040A05
Mantel's theorem0MXEHSCYCSstatementW005C35
Open connected subsets of R^n are path-connected0MXN7AFBPEstatementW054D05
Compact subsets of a Hausdorff space are closed0MYFJVMN7MstatementW054D30
Well-ordering theorem zermelo-theorem, well-ordering-principle0N109NG5ZXstatementW103E25
Irrationality of square roots of non-squares0N10YRNNWVstatementW011J72
Completeness via Cauchy sequences0N1ZWFJDN5statementW054E50
A homomorphism is injective iff its kernel is trivial0N2P0XRTDFstatementW020A05
The rationals form a field0N2WPCC00TstatementW012E99
Limits preserve non-strict inequalities0N32V0E3XJstatementW040A05
Liouville's theorem on Diophantine approximation0N3WFZEFPMstatementW011J68
Classification of conics by the discriminant0N5NR32NQGstatementW051N20
Degree of a simple extension is the degree of the minimal polynomial0N5QW9K7MHstatementW012F05
Mean value theorem for integrals0N91N98EG5statementW026A42
Ore's theorem0NACHJYPKWstatementW005C45
Apollonius's theorem0NAKHQ9XYYstatementW051M04
The integral of a continuous function is an antiderivative0NC2A3HWGTstatementW026A36
Implicit function theorem for a surjective derivative regular-value-theorem-euclidean0NE2W2XPQJstatementW026B10
Double negation law double-negation-elimination0NFAGWH84KstatementW003B05
The minimal polynomial is irreducible0NFEG48RDRstatementW012F05
Fundamental theorem of calculus0NHGY0N0JBstatementW126A42
Bayes' theorem bayes-rule, bayes-law, bayes-formula0NM6E9VW04statementW162F15
Variance as the mean of the square minus the square of the mean computational-formula-for-variance0NMF95YK8WstatementW060A05
Epsilon-net characterisation of total boundedness0NMGJJ19HDstatementW054E35
Trace is the sum of the eigenvalues0NMXDCNNKRstatementW015A15, 15A18
Closed formula for Catalan numbers0NNDQVJ54QstatementW005A15
Schwarz's theorem for C^2 functions clairaut-theorem, schwarz-theorem0NNQY8WCW6statementW026B05
Triangle inequality for integrals0NR82KMYKDstatementW026A42
Composition of continuous functions is continuous0NRQPQX3VAstatementW026A15
Connected components are closed0NRT0E2QT2statementW054D05
Characteristic function of the normal distribution0NS0TDA4E2statementW060E10
Derivative of a map into R^n by components0NS0X75RS1statementW026B05
Discrete Grönwall inequality0NTM3J5MFEstatementW026D15, 39A22
Exterior angle theorem0NTSE7EREAstatementW051M04
Z/pZ is a field for p prime0NV6E43P4AstatementW011A07
Multiplicativity of the Legendre symbol0NW1JP7TBRstatementW011A15
Second Borel–Cantelli lemma converse-borel-cantelli-lemma0NWXRAMEE7statementW060F20
Weierstrass M-test0NX5NWAFC9statementW140A30
Sum of independent normal random variables sum-of-normally-distributed-random-variables0NXGPJWNFNstatementW160E05
Theorem on friends and strangers0NYM0ZGAK9statementW105C55, 05D10
Angle-angle similarity aa-similarity, aaa-similarity0NZVJYZVTZstatementW051M04
Classification of isometries of the plane0P0XDY9FZNstatementW051F20
Second-order Taylor expansion second-order-taylor-formula0P30YYZN85statementW026B12
Negation of a universal statement0P3A06QNDPstatementW003B10
Sine is 2π-periodic0P4NQD746KstatementW033B10
A function with bounded derivative is Lipschitz0P64VE79X3statementW026A16
Picard–Lindelöf theorem cauchy-lipschitz-theorem, existence-and-uniqueness-theorem0P6KRD5B7AstatementW134A12
Compactness via open covers0P6PMJB4MAstatementW054D30
Linearity of expectation expectation-is-linear0P7PTC8DDEstatementW060A05
Vandermonde determinant0P84B554ASstatementW015A15, 15B05
The exponential function is positive0P9BNBW2W3statementW033B10
Metric spaces are Hausdorff0P9DCDES73statementW054E35
Existence of a complementary subspace0P9T8WHNMHstatementW015A03
Continuity is equivalent to sequential continuity0PAQM3H57XstatementW026A15
Law of sines sine-rule0PASQ34GHGstatementW151M04
Order of the symmetric group0PCKBBMEXCstatementW020B30
Fermat's theorem on stationary points interior-extremum-theorem0PCVBRV9VJstatementW026A24
First supplement to quadratic reciprocity0PHBS78HKTstatementW011A15
Heine–Borel theorem in finite-dimensional normed spaces0PHT6NBYPBstatementW046B20
Alternating series test leibniz-test0PK8QH1W1VstatementW140A05
Projections are continuous0PM88Z9W4MstatementW054B10
Order of an inverse0PMT9YJZVWstatementW020A05
The continued fraction of a rational number terminates0PMY0YQYXXstatementW011A55
The Gaussian integers are a Euclidean domain0PN13BB7BTstatementW011R11
Argument principle cauchys-argument-principle0PN2BXRS8GstatementW130C15
The constructible numbers form a field closed under square roots0PN9WMRWT7statementW012F05
Jordan's lemma jordan-lemma0PNPG2PP9HstatementW130E20
Interior is open0PNWCM559PstatementW054A05
Determinant is multilinear in the rows0PPG793642statementW015A15
Second isomorphism theorem diamond-isomorphism-theorem0PPP2J2DJVstatementW020A05
Probability of the complement complement-rule0PQEBTYDZMstatementW060A05
Alternating sum of binomial coefficients0PQQGFAWSHstatementW005A10
Principal axis theorem0PR5P9Z4KMstatementW015A63, 15A18
Dirichlet convolution of multiplicative functions is multiplicative0PR88XHDMBstatementW011A25
Expectation with respect to the binomial distribution mean-of-binomial-distribution0PVCTCKD3CstatementW060E05
The exponential series has infinite radius of convergence0PVJRACB9HstatementW030B10, 33B10
Orthogonal complement of the orthogonal complement0PXN9G4MX1statementW046C05
Stolz–Cesàro theorem0Q3AKZV74DstatementW040A05
Integral of a power0Q3HYFT9RQstatementW026A36
Darboux's theorem intermediate-value-theorem-for-derivatives0Q5A47J48DstatementW026A24
Holomorphic functions with nonzero derivative are conformal holomorphic-maps-are-conformal0Q7M6K6VD7statementW030C35
Third Sylow theorem0Q8DGAZSJ4statementW020D20
Reciprocal rule0QD4E5JYPTstatementW026A24
Holomorphic functions are infinitely differentiable0QEBN8DGVEstatementW030A99
Cayley–Hamilton theorem for linear maps0QEM68Y0DEstatementW015A04, 15A18
Eigenvalues are the roots of the minimal polynomial0QF4ZEFG52statementW015A18
The algebraic numbers form a field0QFTETCHKBstatementW011R04
Gauss's lemma0QFV5Y1Z5XstatementW113F20
Irrationality of pi0QHZX1PK8VstatementW011J72
Dimension of the coordinate space0QK7FPE6VEstatementW015A03
Euclidean domains are principal ideal domains0QKVE1GD9AstatementW013F07
The Galois group has order at most the degree0QM98DNWVWstatementW012F10
Ratio test d-alembert-ratio-test0QNY6ZBXPNstatementW140A05
Von Dyck's theorem0QPYHHNRXCstatementW020F05
Derivative of a map into a product0QQMXFTX0AstatementW026B05
Number of odd-degree vertices is even0QQQQCPZA8statementW005C07
In a UFD irreducible elements are prime0QRCFZKXH8statementW013F15
Recurrence for derangements0QRRYXG7V7statementW005A05
The reals form an ordered field0QSPNASE50statementW012J15
The group of units of Z/pZ is cyclic0QTHB6PE52statementW011A07, 20K01
Frattini argument frattinis-argument0QTZDKJEDVstatementW020D20
Dimension of a subspace0QW084460EstatementW015A03
Every element of a finite field of order q satisfies x^q = x0QWR8WTZEWstatementW012E20
Tangent–secant theorem0QX7E9KAAXstatementW151M04
Convergent sequences are Cauchy0QY87R9CY3statementW040A05
Continuity of the sum of a uniformly convergent series of functions0R0MYT0BJDstatementW040A30, 26A15
Fubini's theorem fubini-theorem0R0T1VWH5XstatementW126B15
Abelian groups are solvable0R0X73XHATstatementW020F16
Fraction in lowest terms irreducible-fraction, reduced-fraction0R64A2CVN4statementW011A05
Universal property of the quotient ring0R74MZYNRBstatementW016D25
Compact subsets of a metric space are bounded0R7BTEWCJ2statementW054E45
Symmetry of binomial coefficients0R7JS3DP3WstatementW005A10
pi is greater than 30R7SVNYTJSstatementW011Y60
A linear isometry preserves the inner product0R7VXTYHYZstatementW015A04, 46C05
Dimension of a tensor product0R84PF4JV7statementW015A69, 15A03
A linear map is determined by its values on a basis0R8X9XA83AstatementW015A04
Integers modulo a prime form a field0R8YXRC9AJstatementW011A07
Characterization of the floor0R9B0B5458statementW026A09
Divisibility by 30R9D4CEJEBstatementW011A63
Gcd of Fibonacci numbers0R9F850CTHstatementW011B39
Limit of a sum of sequences0RAM4E07NRstatementW040A05
Bessel's inequality0RBT5PB74KstatementW146C05
Cesàro means of a convergent sequence converge0RDRPBMNACstatementW040G05
Generating function of a sum of independent random variables pgf-of-sum-of-independent-random-variables0REMT01N36statementW060E05
Cauchy–Schwarz inequality0RFWW56Y22statementW115A63, 46C05
Limit of the cumulative distribution function at infinity0RJ5TZH6G0statementW060E05
Logarithm is the inverse of the exponential0RKW2X63YRstatementW033B10
Cantor set is homeomorphic to the space of binary sequences0RQ8DHHR8VstatementW054F65
Wedderburn's little theorem0RRNVX1VKAstatementW112E15
Jensen's inequality0RWMRTPC87statementW126D15
Every infinite set has a countably infinite subset0RWQ5VZ6VQstatementW003E10
Image of an intersection0RX7DDBYCKstatementW003E20
Distributivity of matrix multiplication0RXD6EZYBKstatementW015A99
Chain rule0RXX2PT1MQstatementW126A24
Structure theorem for finitely generated abelian groups fundamental-theorem-of-finitely-generated-abelian-groups0RY0B72XASstatementW020K25
Lucas's theorem0RY4GGMEQGstatementW011B65
Law of excluded middle excluded-middle, tertium-non-datur0RYYK8PG4SstatementW103B05
A nontrivial finite p-group has nontrivial centre0RZCTT30H5statementW020D15
Power-reduction formula for cosine0S049HG1W5statementW033B10
Size of an orbit times the size of the stabiliser0S19CWFZM2statementW020B05
Variation of constants formula for linear systems duhamel-formula0S1KG0XE40statementW034A30
Abel's theorem abel-limit-theorem0S4EMDQS2FstatementW140A30
Convergent sequences are bounded0S4JF619V7statementW040A05
Inverse of a product0S4WTRE9GGstatementW015A09
Order of the group of units of Z/nZ is Euler's totient0S7495H4HMstatementW011A07, 11A25
Hartman–Grobman theorem linearization-theorem0S8WX8A4V9statementW037C15, 34C20
Correspondence theorem lattice-theorem, fourth-isomorphism-theorem0S9ZVZ34MDstatementW020A05
Derivative of tangent0SAMR34WXCstatementW033B10, 26A24
Dirichlet convolution formula0SAR26CKPSstatementW011A25
Gradient theorem fundamental-theorem-of-line-integrals, fundamental-theorem-of-calculus-for-line-integrals0SD237FEJDstatementW126B20
Product rule in several variables0SF85PY0QNstatementW026B05
Basis of a tensor product0SH5VT8QYAstatementW015A69
Closure is the smallest closed superset0SHC6Z304ZstatementW054A05
Irreducibility of the cyclotomic polynomials over the rationals0SK1VHZ5R2statementW011R18
Stability of linear systems via eigenvalues0SKVEMXJWFstatementW034D20, 34A30
Edge bound for planar graphs0SM1REAVYJstatementW005C10
Erdős–Szekeres theorem0SNJM8HSD3statementW105A05
A space is the direct sum of a subspace and its orthogonal complement0SP7P0G7KQstatementW046C05
Existence of a prime divisor0SPBEDVNW1statementW011A41
Change of basis for a bilinear form0SPYAGE7T0statementW015A63, 15A21
The Gaussian integers form a Euclidean domain0SPYEFH7H4statementW011R11
Principal value of the argument0SQSQP748RstatementW030A99
Subgroups of the integers0SRATCFF1WstatementW020K27
Characteristic subgroups are normal0SRE7K4E49statementW020F28
Hurwitz's theorem hurwitz-theorem-complex-analysis0SSKBQN58MstatementW130C15
The degree of a constructible number is a power of two0SSSM1D475statementW012F05
Moments are derivatives of the moment-generating function at zero0STK8KEY9GstatementW060E10
C^1 functions are strictly differentiable continuously-differentiable-implies-strictly-differentiable0STPPDXGMEstatementW026B05
Density of the rationals0STX0WRDNGstatementW026A03
Almost sure convergence implies convergence in probability0SVN6X695KstatementW060F15
Primitive element theorem0SVX98HYV1statementW112F10
Möbius transformations map circles and lines to circles and lines mobius-maps-preserve-generalized-circles0SXDHQM2MHstatementW030C35
Dimension of a quotient space0SXDQ6TN00statementW015A03
Order of the alternating group0SZ1KMNWVEstatementW020B30
Determinant is a coefficient of the characteristic polynomial0T0X8GTYYSstatementW015A15, 15A18
Infinitely many primes congruent to 1 modulo n0T1BSD7H3MstatementW011N13
Fundamental theorem of Galois theory0T1Q8D0FW8statementW112F10
Degree of a product0T233AZ1GEstatementW013F20
Power series of arctangent gregory-series0T32ME0A6HstatementW030B10, 33B10
The cross product is perpendicular to its factors0T4QHJXSD4statementW015A72
First Borel–Cantelli lemma borel-cantelli-lemma0T6WS7TT77statementW060F20
Cauchy–Riemann equations cauchy-riemann-conditions0T71SSYZ39statementW130A99
Integration in polar coordinates polar-change-of-variables0T89W1QZ9KstatementW026B15
The characteristic function determines the distribution uniqueness-theorem-for-characteristic-functions, levy-inversion-formula0T8BYAFEXXstatementW060E10
Existence of finite fields of every prime power order0T8M3YC5RGstatementW012E20
Axiom of extensionality extensionality0TB16T2C97statementW103E30
The successor function is injective0TBYMWPWWBstatementW003F30
Dirac's theorem on Hamiltonian cycles0TC99BRSSBstatementW005C45
C^k function characterised by continuous derivatives0TCBZMEYGNstatementW026B05
Product of the gcd and the lcm0TDY6JZHKSstatementW011A05
Remainder theorem polynomial-remainder-theorem0TEDQH56RWstatementW113F20
Reduction of a higher-order equation to a first-order system0TH9CPW3VSstatementW034A99
Third isomorphism theorem0TJ1V9DDPCstatementW020A05
Term-by-term differentiation0TJ8QBJX5KstatementW040A30, 26A24
Bounded derivative on a convex set implies Lipschitz0TKG7T3K0EstatementW026B35
An algebraic extension of an algebraic extension is algebraic0TPWS0K1BCstatementW012F05
Product of a subgroup and a normal subgroup is a subgroup0TXWV1JGG1statementW020A05
Characteristic polynomial does not depend on the basis0TYMASG33YstatementW015A15, 15A18
Surjective iff it has a right inverse0TYQNHVB4CstatementW003E20
Row rank equals column rank0TZAG60ZYTstatementW015A03
Variance of a sum of independent random variables bienayme-formula0V0778DCW9statementW060A05
Sign of a cycle0V0E04DWX2statementW020B30
Frobenius coin problem coin-problem, frobenius-number0V11FEXK08statementW111D07
Derivative of cosine0V2DV29EGTstatementW033B10, 26A24
Intersection of subspaces0V33SPH7RRstatementW015A03
Continuous real function on a compact set attains its bounds extreme-value-theorem0V4DET59NWstatementW054C30
Fibonacci numbers as sums of binomial coefficients0V4VB6MQDCstatementW011B39
Subgroups of index two are normal0V547YQRMVstatementW020A05
Logarithm of a power0V948DE5KAstatementW033B10
First Sylow theorem0V98WY94B8statementW020D20
Product rule leibniz-rule-for-products0V9A43H7WVstatementW126A24
Dirichlet's test0V9ME8GQE7statementW040A05
Multiplicativity of the Möbius function0VB9G5B034statementW011A25
Kummer's theorem0VBWK9XYDGstatementW011B65
Euler's theorem fermat-euler-theorem, euler-totient-theorem0VC4DVE7DQstatementW111A07
Morera's theorem moreras-theorem0VDD7W0EKZstatementW130E20
Volume of a box volume-of-a-rectangular-box0VEKNG02W0statementW028A75
Every polynomial has a root in some extension field0VG02M1FEZstatementW012F05
Product of continuous functions is continuous0VGMHCF4SCstatementW026A15
Continuity is equivalent to sequential continuity in metric spaces0VGPKZ8MRKstatementW054E35
Abel's identity abel-formula0VGWKX2JHBstatementW134A30
Subsequences of a convergent sequence converge to the same limit0VHAVXW08VstatementW040A05
Finite-dimensional spaces are isomorphic iff they have equal dimension0VJBSK15SNstatementW015A03
De Morgan's laws for sets0VK0W4D5Y5statementW003E20
Size of a conjugacy class is the index of the centraliser0VK5V9P8G3statementW020E45
Banach fixed point theorem contraction-mapping-theorem, banach-fixed-point-theorem0VK6VEH345statementW147H10
Lagrange multipliers lagrange-multiplier-theorem, method-of-lagrange-multipliers0VKKP8X6Q6statementW190C46
Cartan–Dieudonné theorem0VMWGYY35QstatementW051F15, 15B10
If 2^n + 1 is prime then n is a power of 20VN4H8M12XstatementW011A41
Polynomials of degree two or three are irreducible iff they have no roots0VNE161QCKstatementW012E05
Pythagorean theorem pythagoras-theorem0VP3A1290KstatementW151M04
Rule of product multiplication-principle, product-rule0VPK4X73Q0statementW105A05
A tree on n vertices has n − 1 edges0VSNHTHK8TstatementW005C05
Cancellation laws cancellation-law0VSNX4P2Q0statementW020A05
Minimal polynomial divides every annihilating polynomial0VTAD25A3GstatementW015A18
Order of a power0VVPQNVM8SstatementW020A05
Term test nth-term-test, divergence-test0VVY4H92G2statementW140A05
Euler line0VX0CPRQTZstatementW051M04
Gradient is orthogonal to level sets0VXYV3NQQ1statementW026B12
Bézout's identity in a Euclidean domain0VY3WPP9Y3statementW013F07
Compact closed unit ball implies finite dimension0VZVV8VME5statementW046B50
Continuous functions on a closed bounded interval are uniformly continuous0W0TZDRF9CstatementW026A15
Euler's formula for planar graphs0W1C598HMSstatementW005C10
Line integral as an integral over the parameter interval parametric-formula-for-line-integrals0W3W1VYWBPstatementW026B12
Complete subspaces are closed0W41XG4W60statementW054E50
Rank–nullity theorem dimension-theorem-for-linear-maps0W4FSW1TVBstatementW115A03, 15A04
Irrationality of e0W4GQSG7B6statementW011J72
Law of total probability for an event and its complement0W62TKMW7VstatementW060A05
Epsilon-delta definition of continuity0W8YHHGCJGstatementW026A15
Chinese remainder theorem for rings0W97J8QED7statementW013A15
Time translation of solutions of an autonomous system0WA7ZR95V4statementW034A34
Trace of a linear map is the trace of its matrix0WCPH5Z7FAstatementW015A04, 15A15
R/M is a field iff M is maximal0WD3SE7S1XstatementW013A15
Euclid–Euler theorem0WETJCKNRGstatementW011A25
Sylvester's law of inertia0WFED3K3DQstatementW115A63, 11E04
Newton's identities girard-newton-formulae0WG2A3HE0SstatementW105E05
A subspace of full dimension is the whole space0WGAXEK99EstatementW015A03
There is a natural number n with 1/n below any positive epsilon0WH916TJNYstatementW026A03
Taylor's theorem with the integral remainder0WJGR81HBDstatementW041A80
Dimension theorem for vector spaces invariance-of-dimension0WK0Y8RH1MstatementW015A03
Sylvester's criterion0WKEF78PMVstatementW115B57, 15A15
Cholesky decomposition0WKG8CYY6AstatementW115A23, 65F05
Product of exponentials exponential-of-a-sum0WM7DJCM6GstatementW033B10
Volume of a ball in R^3 volume-of-a-sphere0WMDV48VSNstatementW026B15
A prime is a Gaussian prime if and only if it is 3 modulo 40WMJSEFYFEstatementW011R11
Hoeffding's inequality0WPDNXGSSNstatementW060E15
Moment-generating function of a sum of independent random variables0WRZ170YEHstatementW060E10
Extreme value theorem0WS1A8E2P9statementW126A15
Cantor's theorem0WTEMGYV2CstatementW103E10
Gram–Schmidt vectors are orthogonal0WXBGBTA3DstatementW015A63, 65F25
A monotone function has countably many discontinuities froda-theorem0WYTM4C9QGstatementW026A48
Number of injections0X0N833FF8statementW005A05
Hall's theorem for bipartite graphs0X2GJPNPFNstatementW005C70
Countable intersection of dense open sets is dense0X2T63GFQQstatementW054E52
The exterior derivative squares to zero d-squared-is-zero0X308R2DBEstatementW058A10
Tietze extension theorem tietze-urysohn-extension-theorem0X52TNMTCJstatementW154C20
Impossibility of squaring the circle0X7CVDE3BGstatementW012F05
Continuity of probability measures continuity-from-below, continuity-from-above0X8HBKCSYBstatementW060A10
Uniform limit theorem uniform-limit-of-continuous-functions-is-continuous0X9XT05JVCstatementW140A30, 26A15
Handshaking lemma0XAP8WHNESstatementW005C07
Wallis product0XCYA4YERSstatementW111Y60
Number of elements of each order in a cyclic group0XCYGCCX8VstatementW020K01
Monotonicity of the cumulative distribution function0XD22PBMWAstatementW060E05
Multinomial theorem0XFC1VQYEKstatementW105A10
Euler's partition theorem0XFZ1BMF5QstatementW005A17
Decomposition of a permutation into transpositions0XK6FECMW5statementW020B30
Poisson limit theorem law-of-rare-events, poisson-approximation-to-the-binomial0XKTZRWTXXstatementW160F05
Squeeze theorem sandwich-theorem0XMF00T4XQstatementW140A05
Dini's theorem0XRRYF1HPEstatementW140A30
Eisenstein's lemma0XSDBCP4RZstatementW011A15
The principal logarithm is holomorphic off the branch cut derivative-of-the-logarithm0XVGJE7Q04statementW033B10
A root of an integer is an integer or irrational0XWCKJZRYHstatementW011J72
Second fundamental theorem of calculus0XYAFCN0PTstatementW026A42
De Morgan's laws in a Boolean algebra0XYVDWGQX2statementW006E05
Absolutely convergent series converge0Y123X48GAstatementW040A05
Catalan recurrence0Y1MG9R5VNstatementW005A15
Gauss–Wantzel theorem0Y34JMJNE9statementW012F05
The order modulo p divides p − 10Y4B7P0GS8statementW011A07
Trace of a product is symmetric0Y4NF1DRKDstatementW015A15
Brooks' theorem0Y4TV2D5RQstatementW105C15
Fermat's Last Theorem flt0Y5X3SDBCZstatementW111D41
Tail sum formula for expectation tail-sum-formula, layer-cake-formula-for-expectation0Y6QNF1J49statementW060A05
Existence of an orthonormal basis0Y85GYEGSFstatementW015A63, 46C05
Distinct eigenvalues imply diagonalisable0Y95Z7MT02statementW015A20
Binary trees are counted by Catalan numbers0Y97E2DMB7statementW005C05
Comparability of cardinals trichotomy-of-cardinals0YBHSJMN3JstatementW003E10
Identity theorem uniqueness-theorem-for-holomorphic-functions0YBVKMYX0WstatementW030C15
Term-by-term integration0YBY3VYX0KstatementW040A30, 26A42
Matrix exponential as the solution of a linear system0YC8JT513JstatementW034A30, 15A16
Universal property of the tensor product0YDRV01R8FstatementW015A69
Continuity via open sets0YF82GBTNDstatementW054E35
Sum of independent Poisson random variables0YH1M56SBNstatementW060E05
Irrationality of the square root of a prime0YHFMXJJAZstatementW011J72
Hilbert's basis theorem0YKA9J3XEEstatementW113E05
Existence of nth roots of complex numbers0YM6P6C206statementW012D99
Power series are holomorphic in the disc of convergence termwise-differentiation-of-power-series0YMP521ZR5statementW030B10
Fundamental theorem of contour integration fundamental-theorem-for-complex-line-integrals0YQ458D7PFstatementW030E20
Intersecting chords theorem chord-theorem0YQQYET8YQstatementW151M04
Pascal's rule0YRG241HQQstatementW105A10
Closed balls are closed0YS40B38JDstatementW054E35
Homotopy invariance of line integrals of closed forms helmholtz-theorem-for-lamellar-fields0YVVN6R715statementW026B20
Decomposition of a permutation into disjoint cycles0YWDAZPRPQstatementW020B30
Quadratic reciprocity for the Jacobi symbol0YY06KP3ZQstatementW011A15
Mercator series0YZXNE3HFRstatementW130B10, 33B10
Power series of complex cosine taylor-series-of-cosine0Z1G2F8DGYstatementW033B10
Diagonalisation of a quadratic form0Z3FEWZ8HAstatementW011E04, 15A63
Decomposition into generalised eigenspaces0Z3GDY89T5statementW015A18, 15A21
A function with nonnegative second derivative is convex0Z41C17TGPstatementW026A51
Burnside's lemma orbit-counting-theorem, cauchy-frobenius-lemma0Z47M1B2VSstatementW120B05, 05E18
Determinant of the identity matrix0Z4BWARC38statementW015A15
Local homeomorphism from the inverse function theorem invertible-derivative-implies-local-homeomorphism0Z8CSYVHDJstatementW026B10
Countable union of countable sets is countable0Z8FM54P86statementW003E10
Constant multiple rule0Z9JB71BS0statementW026A24
Dimension of the space of linear maps0Z9N1ER0W0statementW015A03, 15A04
Cauchy criterion for sequences0ZA4AX4MW3statementW040A05
A complex number times its conjugate0ZB7J071WQstatementW030A99
Gradient points in the direction of steepest ascent0ZC78099PAstatementW026B12
Orbits partition the set0ZC7FYE0NZstatementW020B05
g to the order of the group is the identity power-of-the-group-order-is-identity0ZEPNS9BXKstatementW020D60
Universal property of the quotient space0ZERJX6PH6statementW015A04
Transfinite induction well-founded-induction0ZHQMQ2C1NstatementW103E10
Canonical isomorphism with the double dual0ZJM9D7NPSstatementW015A04
Absorption law0ZKZBJPG2JstatementW006B05
Path-connected spaces are connected0ZMT1GP4KMstatementW054D05
First isomorphism theorem for rings0ZMYX7GMH0statementW016D25
Determinant of a 2 by 2 matrix0ZN2J42SK7statementW015A15
K(a) is isomorphic to K[x] modulo the minimal polynomial0ZN39QDTP9statementW012F05
p-series test0ZNSSK8ZK1statementW040A05
Matrix of the dual map is the transpose0ZPB3180AYstatementW015A04
Tower law for indices multiplicativity-of-the-index0ZQJ7KEFQ5statementW020A05
The logarithm is strictly concave0ZS54B9GJFstatementW026A51
Intersection of subgroups is a subgroup0ZTGMDNVTBstatementW020A05
Uniqueness of limits0ZXJ2455NJstatementW040A05
Second supplement to quadratic reciprocity0ZXW95S44MstatementW011A15
Determinant of a transpose0ZZQ2E1MTEstatementW015A15
Lagrange's theorem3C53TDstatementW020D60