proposition: Lemma monotone5_union (gf gf': rel5 T0 T1 T2 T3 T4 -> rel5 T0 T1 T2 T3 T4) (MON1: monotone5 gf) (MON2: monotone5 gf'): monotone5 (gf \6/ gf').
proof: Proof. red; intros. destruct IN. - left. eapply MON1. apply H. apply LE. - right. eapply MON2. apply H. apply LE. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)