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-rw-r--r--theories/Init/Logic.v7
1 files changed, 7 insertions, 0 deletions
diff --git a/theories/Init/Logic.v b/theories/Init/Logic.v
index 10ca9ecc9..817581cb2 100644
--- a/theories/Init/Logic.v
+++ b/theories/Init/Logic.v
@@ -29,6 +29,13 @@ Definition not (A:Prop) := A -> False.
Notation "~ x" := (not x) : type_scope.
+(** Create the "core" hint database, and set its transparent state for
+ variables and constants explicitely. *)
+
+Create HintDb core.
+Hint Variables Opaque : core.
+Hint Constants Opaque : core.
+
Hint Unfold not: core.
(** [and A B], written [A /\ B], is the conjunction of [A] and [B]