Commit 92a48e1b authored by Robbert Krebbers's avatar Robbert Krebbers

Typeclass Opacity and Params for inv.

parent ce61436f
......@@ -44,7 +44,9 @@ Local Hint Resolve nclose_subseteq ndot_nclose.
(** Derived forms and lemmas about them. *)
Definition inv {Λ Σ} (N : namespace) (P : iProp Λ Σ) : iProp Λ Σ :=
( i : positive, (i nclose N) ownI i P)%I.
( i, (i nclose N) ownI i P)%I.
Instance: Params (@inv) 3.
Typeclasses Opaque inv.
Section inv.
Context {Λ : language} {Σ : iFunctor}.
......@@ -53,13 +55,10 @@ Implicit Types N : namespace.
Implicit Types P Q R : iProp Λ Σ.
Global Instance inv_contractive N : Contractive (@inv Λ Σ N).
Proof.
intros n ? ? EQ. apply exists_ne=>i.
apply and_ne; first done.
by apply ownI_contractive.
Qed.
Proof. intros n ???. apply exists_ne=>i. by apply and_ne, ownI_contractive. Qed.
Global Instance inv_always_stable N P : AlwaysStable (inv N P) := _.
Global Instance inv_always_stable N P : AlwaysStable (inv N P).
Proof. rewrite /inv; apply _. Qed.
Lemma always_inv N P : ( inv N P)%I inv N P.
Proof. by rewrite always_always. Qed.
......
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