fact: Definition PO_ind_arr (P : PO f g -> Type) (l' : forall b, P (pol b)) (r' : forall c, P (por c)) (pp' : forall a, popp a # l' (f a) = r' (g a)) : forall (i j : span_graph) (e : span_graph i j) (ar : span f g i), transport P (colimp i j e ar) (PO_ind_obj P l' r' j (((span f g) _f e) ar)) = PO_ind_obj P l' r' i ar.
imports: Basics Types Diagrams.Graph Diagrams.Diagram Diagrams.Span Diagrams.Cocone Colimits.Colimit