fact: Definition RoofTopToCoroof {x y : ob C} {R1 R2 : Roof x y} (T : RoofTop R1 R2) : ∑ CR : Coroof x y, (RoofMor1 R1 · CoroofMor1 CR = RoofMor2 R1 · CoroofMor2 CR) × (RoofMor1 R2 · CoroofMor1 CR = RoofMor2 R2 · CoroofMor2 CR).
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors