Commit 2021-03-25 10:59 879273e8
View on Github →feat(logic/basic, logic/function/basic): make cast
the simp-normal form of eq.mp
and eq.mpr
, add lemmas (#6834)
This adds the fact that eq.rec
, eq.mp
, eq.mpr
, and cast
are bijective, as well as some simp lemmas that follow from their injectivity.