Commit ea869f3b authored by Robbert Krebbers's avatar Robbert Krebbers

Add lemma `except_0_laterN`.

parent 6950ddde
......@@ -392,6 +392,8 @@ Proof.
Qed.
Lemma except_0_later P : P P.
Proof. by rewrite /sbi_except_0 -later_or False_or. Qed.
Lemma except_0_laterN n P : ^n P ^n P.
Proof. by destruct n as [|n]; rewrite //= ?except_0_later -except_0_intro. Qed.
Lemma except_0_into_later P : P P.
Proof. by rewrite -except_0_later -later_intro. Qed.
Lemma except_0_persistently P : <pers> P <pers> P.
......
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