Remove ownM_something.

It is unused, and ownM_empty is stronger.

Remove ownM_something.
It is unused, and ownM_empty is stronger.
4e59a653 · Robbert Krebbers · 406637f4 · 4e59a653
Commit 4e59a653 authored Aug 30, 2016 by Robbert Krebbers
--- a/algebra/upred.v
+++ b/algebra/upred.v
@@ -1128,8 +1128,6 @@ Proof.
  split=> n x /=; split; [by apply always_elim|unseal; intros Hx]; simpl.
  rewrite -(persistent_core a). by apply cmra_core_monoN.
 Qed.
-Lemma ownM_something : True ⊢ ∃ a, uPred_ownM a.
-Proof. unseal; split=> n x ??. by exists x; simpl. Qed.
 Lemma ownM_empty : True ⊢ uPred_ownM ∅.
 Proof. unseal; split=> n x ??; by  exists x; rewrite left_id. Qed.