proposition: Lemma star'_star: forall a: regex, star' a == a# .
proof: Proof. intros; unfold star'; RegExp.destruct_tests; fold_regex; auto with algebra. Qed.
imports: ATBR(Common) ATBR(Classes) ATBR(Graph) ATBR(SemiLattice) ATBR(Monoid) ATBR(SemiRing) ATBR(KleeneAlgebra) ATBR(Model_RegExp) Coq(Bool)