proposition: Lemma msuppC0 : msupp (0 : G)%:MP = fset0 :> {fset K}.
proof: Proof. by rewrite msuppC eqxx. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq path choice finset fintype finfun) mathcomp(tuple bigop ssralg ssrint ssrnum) xfinmap