More consistent names for (local) updates.

algebra/cmra.v

@@ -535,10 +535,10 @@ Proof.
   by rewrite cmra_valid_validN equiv_dist=>?? n; apply (local_updateN L).
 Qed.
 
-Global Instance local_update_op x : LocalUpdate (λ _, True) (op x).
+Global Instance op_local_update x : LocalUpdate (λ _, True) (op x).
 Proof. split. apply _. by intros n y1 y2 _ _; rewrite assoc. Qed.
 
-Global Instance local_update_id : LocalUpdate (λ _, True) (@id A).
+Global Instance id_local_update : LocalUpdate (λ _, True) (@id A).
 Proof. split; auto with typeclass_instances. Qed.
 
 Global Instance exclusive_local_update y :
@@ -1218,14 +1218,14 @@ Section option.
   Proof. intros. destruct mx; apply _. Qed.
 
   (** Updates *)
-  Global Instance option_local_fmap_update L Lv :
+  Global Instance option_fmap_local_update L Lv :
     LocalUpdate Lv L →
     LocalUpdate (λ mx, if mx is Some x then Lv x else False) (fmap L).
   Proof.
     split; first apply _.
     intros n [x|] [z|]; constructor; by eauto using (local_updateN L).
   Qed.
-  Global Instance option_local_const_update Lv y :
+  Global Instance option_const_local_update Lv y :
     LocalUpdate Lv (λ _, y) →
     LocalUpdate (λ mx, if mx is Some x then Lv x else False) (λ _, Some y).
   Proof.

algebra/gmap.v

@@ -283,7 +283,7 @@ Proof. apply insert_update. Qed.
 
 Section freshness.
 Context `{Fresh K (gset K), !FreshSpec K (gset K)}.
-Lemma updateP_alloc_strong (Q : gmap K A → Prop) (I : gset K) m x :
+Lemma alloc_updateP_strong (Q : gmap K A → Prop) (I : gset K) m x :
   ✓ x → (∀ i, m !! i = None → i ∉ I → Q (<[i:=x]>m)) → m ~~>: Q.
 Proof.
   intros ? HQ. apply cmra_total_updateP.
@@ -297,15 +297,15 @@ Proof.
     last by apply not_elem_of_dom; rewrite dom_op not_elem_of_union.
   by apply insert_validN; [apply cmra_valid_validN|].
 Qed.
-Lemma updateP_alloc (Q : gmap K A → Prop) m x :
+Lemma alloc_updateP (Q : gmap K A → Prop) m x :
   ✓ x → (∀ i, m !! i = None → Q (<[i:=x]>m)) → m ~~>: Q.
-Proof. move=>??. eapply updateP_alloc_strong with (I:=∅); by eauto. Qed.
-Lemma updateP_alloc_strong' m x (I : gset K) :
+Proof. move=>??. eapply alloc_updateP_strong with (I:=∅); by eauto. Qed.
+Lemma alloc_updateP_strong' m x (I : gset K) :
   ✓ x → m ~~>: λ m', ∃ i, i ∉ I ∧ m' = <[i:=x]>m ∧ m !! i = None.
-Proof. eauto using updateP_alloc_strong. Qed.
-Lemma updateP_alloc' m x :
+Proof. eauto using alloc_updateP_strong. Qed.
+Lemma alloc_updateP' m x :
   ✓ x → m ~~>: λ m', ∃ i, m' = <[i:=x]>m ∧ m !! i = None.
-Proof. eauto using updateP_alloc. Qed.
+Proof. eauto using alloc_updateP. Qed.
 
 Lemma singleton_updateP_unit (P : A → Prop) (Q : gmap K A → Prop) u i :
   ✓ u → LeftId (≡) u (⋅) →
@@ -335,7 +335,7 @@ End freshness.
 
 (* Allocation is a local update: Just use composition with a singleton map. *)
 
-Global Instance gmap_delete_update :
+Global Instance delete_local_update :
   LocalUpdate (λ m, ∃ x, m !! i = Some x ∧ Exclusive x) (delete i).
 Proof.
   split; first apply _.
@@ -348,7 +348,7 @@ Proof.
 Qed.
 
 (* Applying a local update at a position we own is a local update. *)
-Global Instance gmap_alter_update `{!LocalUpdate Lv L} i :
+Global Instance alter_local_update `{!LocalUpdate Lv L} i :
   LocalUpdate (λ m, ∃ x, m !! i = Some x ∧ Lv x) (alter L i).
 Proof.
   split; first apply _.

algebra/list.v

@@ -316,7 +316,7 @@ Section properties.
   Proof. by rewrite !persistent_total list_core_singletonM=> ->. Qed.
 
   (* Update *)
-  Lemma list_update_updateP (P : A → Prop) (Q : list A → Prop) l1 x l2 :
+  Lemma list_middle_updateP (P : A → Prop) (Q : list A → Prop) l1 x l2 :
     x ~~>: P → (∀ y, P y → Q (l1 ++ y :: l2)) → l1 ++ x :: l2 ~~>: Q.
   Proof.
     intros Hx%option_updateP' HP.
@@ -332,13 +332,13 @@ Section properties.
       rewrite !list_lookup_op !lookup_app_r !app_length //=; lia.
   Qed.
 
-  Lemma list_update_update l1 l2 x y : x ~~> y → l1 ++ x :: l2 ~~> l1 ++ y :: l2.
+  Lemma list_middle_update l1 l2 x y : x ~~> y → l1 ++ x :: l2 ~~> l1 ++ y :: l2.
   Proof.
-    rewrite !cmra_update_updateP => H; eauto using list_update_updateP with subst.
+    rewrite !cmra_update_updateP => H; eauto using list_middle_updateP with subst.
   Qed.
 
   (* Applying a local update at a position we own is a local update. *)
-  Global Instance list_alter_update `{LocalUpdate A Lv L} i :
+  Global Instance list_alter_local_update `{LocalUpdate A Lv L} i :
     LocalUpdate (λ L, ∃ x, L !! i = Some x ∧ Lv x) (alter L i).
   Proof.
     split; [apply _|]; intros n l1 l2 (x&Hi1&?) Hm; apply list_dist_lookup=> j.

program_logic/ghost_ownership.v

@@ -49,7 +49,7 @@ Proof.
   rewrite -(pvs_mono _ _ (∃ m, ■ (∃ γ, γ ∉ G ∧ m = to_globalF γ a) ∧ ownG m)%I).
   - rewrite ownG_empty.
     eapply pvs_ownG_updateP, (iprod_singleton_updateP_empty (inG_id i));
-      first (eapply updateP_alloc_strong', cmra_transport_valid, Ha);
+      first (eapply alloc_updateP_strong', cmra_transport_valid, Ha);
       naive_solver.
   - apply exist_elim=>m; apply const_elim_l=>-[γ [Hfresh ->]].
     by rewrite -(exist_intro γ) const_equiv // left_id.