Commit 56056f66 authored by Ralf Jung's avatar Ralf Jung

pers-emp actually just needs `core ε = ε`

parent 07563f84
......@@ -110,7 +110,8 @@ Section bi_mixin.
(* In the ordered RA model: `core` is idempotent *)
bi_mixin_persistently_idemp_2 P : <pers> P <pers> <pers> P;
(* In the ordered RA model: `ε ≼ core x` *)
(* In the ordered RA model: `core ε = ε`, which implies together with
monotonicity that `ε ≼ core x`. *)
bi_mixin_persistently_emp_intro P : P <pers> emp;
bi_mixin_persistently_forall_2 {A} (Ψ : A PROP) :
......
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