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-rw-r--r--theories/Arith/Div2.v14
1 files changed, 8 insertions, 6 deletions
diff --git a/theories/Arith/Div2.v b/theories/Arith/Div2.v
index ecb9a5706..42956c475 100644
--- a/theories/Arith/Div2.v
+++ b/theories/Arith/Div2.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(** Nota : this file is OBSOLETE, and left only for compatibility.
@@ -18,7 +20,7 @@ Implicit Type n : nat.
(** Here we define [n/2] and prove some of its properties *)
-Notation div2 := Nat.div2 (compat "8.4").
+Notation div2 := Nat.div2 (only parsing).
(** Since [div2] is recursively defined on [0], [1] and [(S (S n))], it is
useful to prove the corresponding induction principle *)
@@ -84,7 +86,7 @@ Qed.
(** Properties related to the double ([2n]) *)
-Notation double := Nat.double (compat "8.4").
+Notation double := Nat.double (only parsing).
Hint Unfold double Nat.double: arith.