proposition: Lemma transport_abgrouphomomorphism_from_const `{Univalence} {A B B' : AbGroup} (p : B = B') (f : GroupHomomorphism A B) : transport (Hom A) p f = grp_homo_compose (equiv_path_abgroup^-1 p) f.
proof: Proof. induction p. by apply equiv_path_grouphomomorphism. Defined.
imports: Basics Types Classes.interfaces.canonical_names (Zero, zero) Classes.interfaces.abstract_algebra (IsAbGroup(..), abgroup_group, abgroup_commutative) Algebra.Groups.Group Algebra.Groups.Subgroup Algebra.Groups.QuotientGroup WildCat