diff options
Diffstat (limited to 'theories/ZArith/Zeven.v')
-rw-r--r-- | theories/ZArith/Zeven.v | 26 |
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] *) |