proposition: Lemma to_lcan {x y : PA} {f g : PA⟦x, y⟧} (h : PA⟦x, y⟧) : to_binop x y h f = to_binop x y h g -> f = g.
proof: Proof. intros H. apply (grlcan (to_abgr x y) h H). Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.CategoriesWithBinOps UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.Core.Functors