From f69c037f642fab03437e196af41da5a6f7178b2a Mon Sep 17 00:00:00 2001
From: David Aspinall
Date: Thu, 24 Jan 2008 23:46:46 +0000
Subject: New files.

---
 coq/example-utf8.v | 26 ++++++++++++++++++++++++
 coq/utf8.v         | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 coq/example-utf8.v
 create mode 100644 coq/utf8.v

diff --git a/coq/example-utf8.v b/coq/example-utf8.v
new file mode 100644
index 00000000..f6dfd3c6
--- /dev/null
+++ b/coq/example-utf8.v
@@ -0,0 +1,26 @@
+(* -*- coding: utf-8; -*- *)
+
+(* utf8 notations: You can (re)use the version here, 
+   or a compiled version distributed with Coq IDE: 
+    Add LoadPath "/usr/lib/coq/ide". 
+    Require Import utf8.
+*)
+Load "utf8".
+
+(* Printing of unicode notation, in *goals* *)
+Lemma test : forall A:Prop, A -> A.
+auto.
+Qed.
+
+(* Parsing of unicode notation, in *goals* *) 
+Lemma test2 : ∀ A:Prop, A → A.
+intro.
+intro.
+auto.
+Qed.
+
+(* Printing of unicode notation, in *response* *)
+Check (fun (X:Set)(x:X) => x).
+
+(* Parsing of unicode notation, in *response* *)
+Check (∀A, A→A).
\ No newline at end of file
diff --git a/coq/utf8.v b/coq/utf8.v
new file mode 100644
index 00000000..af319fda
--- /dev/null
+++ b/coq/utf8.v
@@ -0,0 +1,59 @@
+(* -*- coding:utf-8 -* *)
+
+(* This file is copied from coqide-8.1pl3-1 *)
+
+(************************************************************************)
+(*  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        *)
+(************************************************************************)
+
+(* Logic *)
+Notation "∀ x , P" := 
+  (forall x , P) (at level 200, x ident) : type_scope.
+Notation "∀ x y , P" := 
+  (forall x y , P) (at level 200, x ident, y ident) : type_scope.
+Notation "∀ x y z , P" := 
+  (forall x y z , P) (at level 200, x ident, y ident, z ident) : type_scope.
+Notation "∀ x y z u , P" := 
+  (forall x y z u , P) (at level 200, x ident, y ident, z ident, u ident) : type_scope.
+Notation "∀ x : t , P" := 
+  (forall x : t , P) (at level 200, x ident) : type_scope.
+Notation "∀ x y : t , P" := 
+  (forall x y : t , P) (at level 200, x ident, y ident) : type_scope.
+Notation "∀ x y z : t , P" := 
+  (forall x y z : t , P) (at level 200, x ident, y ident, z ident) : type_scope.
+Notation "∀ x y z u : t , P" := 
+  (forall x y z u : t , P) (at level 200, x ident, y ident, z ident, u ident) : type_scope.
+
+Notation "∃ x , P" := (exists x , P) (at level 200, x ident) : type_scope.
+Notation "∃ x : t , P" := (exists x : t, P) (at level 200, x ident) : type_scope.
+
+Notation "x ∨ y" := (x \/ y) (at level 85, right associativity) : type_scope.
+Notation "x ∧ y" := (x /\ y) (at level 80, right associativity) : type_scope.
+Notation "x → y" := (x -> y) (at level 90, right associativity): type_scope.
+Notation "x ↔ y" := (x <-> y) (at level 95, no associativity): type_scope.
+Notation "⌉ x" := (~x) (at level 75, right associativity) : type_scope.
+
+
+(* Abstraction *)
+(* Not nice
+Notation  "'λ' x : T , y" := ([x:T] y) (at level 1, x,T,y at level 10).
+Notation  "'λ' x := T , y" := ([x:=T] y) (at level 1, x,T,y at level 10).
+*)
+
+(* Arithmetic *)
+Notation "x ≤ y" := (le x y) (at level 70, no associativity).
+Notation "x ≥ y" := (ge x y) (at level 70, no associativity).
+
+(* test *)
+(*
+Goal ∀ x, True -> (∃ y , x ≥ y + 1) ∨ x ≤ 0.
+*)
+
+(* Integer Arithmetic *)
+(* TODO
+Notation "x ≤ y" := (Zle x y) (at level 1, y at level 10).
+*)
-- 
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