Inventory rows R4
The cards of the rows of the inventory whose ids start with R4. A card gives the mentions of the item in the sources, and the node of the item when math2 has one.
superoperator R412J1F8PE
| URI | m2://inv/R412J1F8PE |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q4446297, superoperator (unknown). Also nLab superoperator
History
- 2026-10-26: add by m2/dev
vertical angles R45FXRW0MX
| URI | m2://inv/R45FXRW0MX |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q10906396, vertical angles (unknown). Also MathWorld VerticalAngle
History
- 2026-10-26: add by m2/dev
Sine-triple-angle circle R45SFRR5JQ
| URI | m2://inv/R45SFRR5JQ |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q130303003, Sine-triple-angle circle (unknown). Also MathWorld Sine-Triple-AngleCircle
History
- 2026-10-26: add by m2/dev
root of unity modulo n R48J5HKM91
| URI | m2://inv/R48J5HKM91 |
|---|---|
| Kind | definition |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q7366581, root of unity modulo n (definition). Also ProofWiki Definition:Root_of_Unity_Modulo_m
History
- 2026-10-26: add by m2/dev
icosidodecadodecahedron R4BPKQC9RF
| URI | m2://inv/R4BPKQC9RF |
|---|---|
| Kind | object |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q147665, icosidodecadodecahedron (object). Also MathWorld Icosidodecadodecahedron
History
- 2026-10-26: add by m2/dev
nested radical R4HYBSGD8X
| URI | m2://inv/R4HYBSGD8X |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q2670069, nested radical (unknown). Also MathWorld NestedRadical
History
- 2026-10-26: add by m2/dev
Riordan array (1/(1-2x),x(1-x)/(1-2x)). R4TTAXXYVV
| URI | m2://inv/R4TTAXXYVV |
|---|---|
| Kind | object |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q100194113, Riordan array (1/(1-2x),x(1-x)/(1-2x)). (object). Also OEIS A106195
History
- 2026-10-26: add by m2/dev
significance testing R4VDTTRXH7
| URI | m2://inv/R4VDTTRXH7 |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q113534582, significance testing (unknown). Also MathWorld SignificanceTest
History
- 2026-10-26: add by m2/dev
length R4VHXG6HMJ
| URI | m2://inv/R4VHXG6HMJ |
|---|---|
| Kind | definition |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q36253, length (definition). Also MathWorld Length, ProofWiki Definition:Linear_Measure/Length
History
- 2026-10-26: add by m2/dev
Chen Jingrun R4WD2GG1K8
| URI | m2://inv/R4WD2GG1K8 |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | out_of_scope (a person, not an item of mathematics) |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q715284, Chen Jingrun (unknown). Also ProofWiki Mathematician:Chen_Jingrun
History
- 2026-10-26: add by m2/dev
Cohen structure theorem R4XX9B4YM7
| URI | m2://inv/R4XX9B4YM7 |
|---|---|
| Kind | statement |
| Layer | textbook |
| MSC | 13-XX |
| Sources | 2 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- mathlib_1000: mathlib_1000 Q5141331, Cohen structure theorem (statement). Also Wikidata Q5141331
- thousand_plus: thousand_plus Q5141331, Cohen structure theorem (statement). Also Wikidata Q5141331, Wikipedia Cohen structure theorem
History
- 2026-10-26: add by m2/dev