proposition: Lemma PullbackArrow_PullbackPr2 {a b c : C} {f : C⟦b, a⟧} {g : C⟦c, a⟧} (Pb : Pullback f g) e (h : C⟦e, b⟧) (k : C⟦e, c⟧)(H : h · f = k · g) : PullbackArrow Pb e h k H · PullbackPr2 Pb = k.
proof: Proof. exact (limArrowCommutes Pb e _ Three). Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.Combinatorics.StandardFiniteSets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Limits.Graphs.Limits UniMath.CategoryTheory.Limits.Graphs.Colimits