univalence axiom (Rev #1)

The **univalence axiom** for a universe $U$ states that for all $A,B:U$, the map

$(A=_U B) \to Equiv(A,B)$

defined by path induction?, is an equivalence.

Revision on February 18, 2014 at 12:40:14 by Mike Shulman. See the history of this page for a list of all contributions to it.