Commit bfbc4420 authored by Ralf Jung's avatar Ralf Jung
Browse files

prove compatibility of later and iff

parent 1df12d49
......@@ -710,6 +710,8 @@ Proof.
Qed.
Lemma later_wand P Q : (P - Q) ( P - Q).
Proof. apply wand_intro_r;rewrite -later_sep; apply later_mono,wand_elim_l. Qed.
Lemma later_iff P Q : ( (P Q)) (P Q).
Proof. by rewrite /uPred_iff later_and !later_impl. Qed.
Lemma löb_all_1 {A} (P Q : A uPred M) :
( a, (( b, P b Q b) P a) Q a) a, P a Q a.
Proof.
......
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