fact: Definition equiv_functor_grp_pullback {A A' B B' C C' : Group} (f : B $-> A) (f' : B' $-> A') (g : C $-> A) (g' : C' $-> A') (alpha : GroupIsomorphism A A') (beta : GroupIsomorphism B B') (gamma : GroupIsomorphism C C') (h : f' o beta == alpha o f) (k : alpha o g == g' o gamma) : GroupIsomorphism (grp_pullback f g) (grp_pullback f' g').
imports: Basics Types Limits.Pullback Cubical.PathSquare Algebra.Groups.Group WildCat.Core