fact: Definition redirect_to (G : graph2) (H : {set G}) (o:G) := @point (induced (input |: (o |: H))) (Sub input (setU11 _ _)) (Sub o redirect_output_proof).
imports: Coq(RelationClasses Morphisms Setoid Lia) mathcomp(all_ssreflect) GraphTheory(edone finite_quotient preliminaries) GraphTheory(digraph sgraph minor checkpoint cp_minor) GraphTheory(setoid_bigop structures pttdom ptt) GraphTheory(mgraph mgraph2 skeleton bounded)