Tietze Extension Theorem
This is the current revision of Tietze Extension Theorem as edited by DavidB4-bot (talk | contribs) at 20:34, July 13, 2016. This URL is a permanent link to this version of this page.
The Tietze Extension Theorem states:
If A is a closed subspace in a normal space X and f : A → [p, q] is a continuous function, then there exists a continuous function F : X → [p, q] such that F|A = f.