proposition: Lemma gpaco14_step clo r rg: gf (gpaco14 clo rg rg) <14= gpaco14 clo r rg.
proof: Proof. intros. apply gpaco14_step_gen. eapply gf_mon. apply PR. intros. eapply gpaco14_mon. apply PR0. left; apply PR1. left; apply PR1. Qed.
imports: Program.Basics Paco(paco14 pacotac)