fact: Definition path_DiagramMap {D1 D2 : Diagram G} {m1 m2 : DiagramMap D1 D2} (h_obj : forall i, m1 i == m2 i) (h_comm : forall i j (g : G i j) x, DiagramMap_comm m1 g x @ h_obj j (D1 _f g x) = ap (D2 _f g) (h_obj i x) @ DiagramMap_comm m2 g x) : m1 = m2.
imports: Basics Types HoTT.Tactics Diagrams.CommutativeSquares Diagrams.Graph