Ivan Shishkin, Birch Grove

Continuous map

Concept history

A revision trail for this concept page.

2 revisions

Revision 1182

8/11/2026, 1:12:54 PM · Ancient Tree

Updated text

Compare with revision 6484 changed lines
1A map between [[Topological space|topological spaces]] is continuous if...
1A continuous map between [[Topological space|topological spaces]] $A$ and $B$ is a [[Map|map]]
2$$f:X\rightarrow Y$$
3such that for every [[Open set|open set]] $U\subseteq B$, the [[preimage|preimage]] $f^{-1}(U)$ is open in $A$.

Revision 648

7/27/2026, 9:46:31 AM · Ancient Tree

Concept created

A map between [[Topological space|topological spaces]] is continuous if...