proposition: Lemma rclo3_mon_gen clo clo' r r' x0 x1 x2 (IN: @rclo3 clo r x0 x1 x2) (LEclo: clo <4= clo') (LEr: r <3= r') : @rclo3 clo' r' x0 x1 x2.
proof: Proof. induction IN; intros. - econstructor 1. apply LEr, IN. - econstructor 2; [intros; eapply H, PR|apply LEclo, IN]. Qed.
imports: Program.Basics Paco(paco3 pacotac)