proposition: Corollary paco0_mult: forall r, paco0 gf (paco0 gf r) <0= paco0 gf r.
proof: Proof. intros; eapply paco0_mult_strong, paco0_mon; [apply PR|..]; intros; left; assumption. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)