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Commit ecff0735 authored by Robbert Krebbers's avatar Robbert Krebbers
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Prove core ∅ ≡ ∅.

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......@@ -344,6 +344,8 @@ Section unit.
Proof. by intros x; rewrite (comm op) left_id. Qed.
Global Instance cmra_unit_persistent : Persistent ∅.
Proof. by rewrite /Persistent -{2}(cmra_core_l ∅) right_id. Qed.
Lemma cmra_core_unit : core (∅:A) ≡ ∅.
Proof. by rewrite -{2}(cmra_core_l ∅) right_id. Qed.
End unit.
(** ** Local updates *)
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