proposition: Lemma pack_fsval (v : vset G) : pack_v (fsval v) = v.
proof: Proof. apply: val_inj => //=. by rewrite pack_vK ?fsvalP. Qed.
imports: Coq(Relation_Definitions Morphisms RelationClasses) mathcomp(all_ssreflect) GraphTheory(edone finite_quotient preliminaries bij equiv) GraphTheory(setoid_bigop structures pttdom mgraph mgraph2) GraphTheory(rewriting open_confluence finmap_plus)