`{Funext} {σ} {A B : Algebra σ} `{!IsHSetAlgebra B} (f g : Homomorphism A B) (p : def_hom f = def_hom g) : f = g. Proof. apply (path_homomorphism f g p). apply path_ishprop. Defined.
Require Import Import algebra_notations ne_list.notations.