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+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+(*i $Id: Notations.v,v 1.24.2.1 2004/07/16 19:31:03 herbelin Exp $ i*)
+
+(** These are the notations whose level and associativity is imposed by Coq *)
+
+(** Notations for logical connectives *)
+
+Reserved Notation "x <-> y" (at level 95, no associativity).
+Reserved Notation "x /\ y" (at level 80, right associativity).
+Reserved Notation "x \/ y" (at level 85, right associativity).
+Reserved Notation "~ x" (at level 75, right associativity).
+
+(** Notations for equality and inequalities *)
+
+Reserved Notation "x = y  :> T"
+(at level 70, y at next level, no associativity).
+Reserved Notation "x = y" (at level 70, no associativity).
+Reserved Notation "x = y = z"
+(at level 70, no associativity, y at next level).
+
+Reserved Notation "x <> y  :> T"
+(at level 70, y at next level, no associativity).
+Reserved Notation "x <> y" (at level 70, no associativity).
+
+Reserved Notation "x <= y" (at level 70, no associativity).
+Reserved Notation "x < y" (at level 70, no associativity).
+Reserved Notation "x >= y" (at level 70, no associativity).
+Reserved Notation "x > y" (at level 70, no associativity).
+
+Reserved Notation "x <= y <= z" (at level 70, y at next level).
+Reserved Notation "x <= y < z" (at level 70, y at next level).
+Reserved Notation "x < y < z" (at level 70, y at next level).
+Reserved Notation "x < y <= z" (at level 70, y at next level).
+
+(** Arithmetical notations (also used for type constructors) *)
+
+Reserved Notation "x + y" (at level 50, left associativity).
+Reserved Notation "x - y" (at level 50, left associativity).
+Reserved Notation "x * y" (at level 40, left associativity).
+Reserved Notation "x / y" (at level 40, left associativity).
+Reserved Notation "- x" (at level 35, right associativity).
+Reserved Notation "/ x" (at level 35, right associativity).
+Reserved Notation "x ^ y" (at level 30, right associativity).
+
+(** Notations for pairs *)
+
+Reserved Notation "( x , y , .. , z )" (at level 0).
+
+(** Notation "{ x }" is reserved and has a special status as component
+    of other notations; it is at level 0 to factor with {x:A|P} etc *)
+
+Reserved Notation "{ x }" (at level 0, x at level 99).
+
+(** Notations for sum-types *)
+
+Reserved Notation "{ A } + { B }" (at level 50, left associativity).
+Reserved Notation "A + { B }" (at level 50, left associativity).
+
+(** Notations for sigma-types or subsets *)
+
+Reserved Notation "{ x : A  |  P }" (at level 0, x at level 99).
+Reserved Notation "{ x : A  |  P  &  Q }" (at level 0, x at level 99).
+
+Reserved Notation "{ x : A  &  P }" (at level 0, x at level 99).
+Reserved Notation "{ x : A  &  P  &  Q }" (at level 0, x at level 99).
+
+Delimit Scope type_scope with type.
+Delimit Scope core_scope with core.
+
+Open Scope core_scope.
+Open Scope type_scope.