fact: Definition MPComm2 {MP1 MP2 : MorphismPair} {MPM : MPMorMors MP1 MP2} (MPMC : MPMorComms MPM) : MPMor2 MPM · Mor2 MP2 = Mor2 MP1 · MPMor3 MPM := dirprod_pr2 MPMC.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Notations UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.Limits.Zero UniMath.CategoryTheory.Limits.Opp