Math 2.0

concept

Compact set

Summary

A compact subset of a topological space is a subset that is a compact space with the subspace topology. Equivalently, each cover of the subset by open sets of the space has a finite subcover.

What this node needs for W1
  • an inventory row: the row of the inventory that the node accounts for (0 of 1)

The writing levels say how complete the text of a node is. They do not measure its truth.

Sources

  1. Web https://en.wikipedia.org/wiki/Compact_space, Compactness of subsets