proposition: Lemma rclosure_stclosure_eq_rstclosure : forall R, rclosure (stclosure R) = rstclosure R.
proof: Proof. Proof using. extens. intros x y. iff M. { induction* M. { applys* rstclosure_of_stclosure. } } { induction* M. { destruct IHM; autos*. } { destruct IHM1; destruct IHM2; autos*. } } Qed.
imports: TLC(LibTactics LibLogic LibBool LibLogic LibProd LibSum)