Commit 81685f69 authored by Robbert Krebbers's avatar Robbert Krebbers

Add lemma `except_0_into_later P : ◇ P ⊢ ▷ P`.

parent c71c9250
......@@ -385,6 +385,8 @@ Proof.
Qed.
Lemma except_0_later P : P P.
Proof. by rewrite /sbi_except_0 -later_or False_or. 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.
Proof.
by rewrite /sbi_except_0 persistently_or -later_persistently persistently_pure.
......
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