proposition: Corollary paco10_mult: forall r, paco10 gf (paco10 gf r) <10= paco10 gf r.
proof: Proof. intros; eapply paco10_mult_strong, paco10_mon; [apply PR|..]; intros; left; assumption. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)