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-rw-r--r--theories/ZArith/Zeven.v26
1 files changed, 14 insertions, 12 deletions
diff --git a/theories/ZArith/Zeven.v b/theories/ZArith/Zeven.v
index d4051ef7..00a58b51 100644
--- a/theories/ZArith/Zeven.v
+++ b/theories/ZArith/Zeven.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
+(* * 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) *)
(************************************************************************)
(** Binary Integers : Parity and Division by Two *)
@@ -58,8 +60,8 @@ Proof (Zodd_equiv n).
(** Boolean tests of parity (now in BinInt.Z) *)
-Notation Zeven_bool := Z.even (compat "8.3").
-Notation Zodd_bool := Z.odd (compat "8.3").
+Notation Zeven_bool := Z.even (only parsing).
+Notation Zodd_bool := Z.odd (only parsing).
Lemma Zeven_bool_iff n : Z.even n = true <-> Zeven n.
Proof.
@@ -130,17 +132,17 @@ Qed.
Hint Unfold Zeven Zodd: zarith.
-Notation Zeven_bool_succ := Z.even_succ (compat "8.3").
-Notation Zeven_bool_pred := Z.even_pred (compat "8.3").
-Notation Zodd_bool_succ := Z.odd_succ (compat "8.3").
-Notation Zodd_bool_pred := Z.odd_pred (compat "8.3").
+Notation Zeven_bool_succ := Z.even_succ (only parsing).
+Notation Zeven_bool_pred := Z.even_pred (only parsing).
+Notation Zodd_bool_succ := Z.odd_succ (only parsing).
+Notation Zodd_bool_pred := Z.odd_pred (only parsing).
(******************************************************************)
(** * Definition of [Z.quot2], [Z.div2] and properties wrt [Zeven]
and [Zodd] *)
-Notation Zdiv2 := Z.div2 (compat "8.3").
-Notation Zquot2 := Z.quot2 (compat "8.3").
+Notation Zdiv2 := Z.div2 (compat "8.6").
+Notation Zquot2 := Z.quot2 (compat "8.6").
(** Properties of [Z.div2] *)