proposition: Corollary paco14_mult: forall r, paco14 gf (paco14 gf r) <14= paco14 gf r.
proof: Proof. intros; eapply paco14_mult_strong, paco14_mon; [apply PR|..]; intros; left; assumption. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)