proposition: Lemma wf_CStar : forall c, wf_re c -> wf_re (mkStar c).
proof: Proof. case => //=. Qed.
imports: Coq(RelationClasses Setoid Morphisms) HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq fintype) mathcomp(bigop path) RegLang(languages) RegexpBrzozowski(glue regexp finite_der equiv)