From fbdd94e527d4b3824bffb663a2cef6f300192396 Mon Sep 17 00:00:00 2001
From: sacerdot
Date: Fri, 3 Sep 2004 09:33:02 +0000
Subject: New command "Add Relation ..." (for the new implementation of
 setoid_*).

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@6048 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 ide/coq_commands.ml      |  1 +
 tactics/extratactics.ml4 | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/ide/coq_commands.ml b/ide/coq_commands.ml
index 1971fb4f0b..0176ccf852 100644
--- a/ide/coq_commands.ml
+++ b/ide/coq_commands.ml
@@ -22,6 +22,7 @@ let commands = [
    "Add Rec ML Path";
    "Add Ring A Aplus Amult Aone Azero Ainv Aeq T [ c1 ... cn ]. ";
    "Add Semi Ring A Aplus Amult Aone Azero Aeq T [ c1 ... cn ].";
+   "Add Relation";
    "Add Setoid";
    "Axiom";];
   [(* "Back"; *) ];
diff --git a/tactics/extratactics.ml4 b/tactics/extratactics.ml4
index 7cc6cd5bd7..694e88801c 100644
--- a/tactics/extratactics.ml4
+++ b/tactics/extratactics.ml4
@@ -174,10 +174,24 @@ TACTIC EXTEND SetoidRewrite
 END
 
 VERNAC COMMAND EXTEND AddSetoid
-| [ "Add" "Setoid" constr(a) constr(aeq) constr(t) ] -> [ add_setoid a aeq t ]
+  [ "Add" "Setoid" constr(a) constr(aeq) constr(t) ] -> [ add_setoid a aeq t ]
 | [ "Add" "Morphism" constr(m) ":" ident(s) ] -> [ new_named_morphism s m ]
 END
 
+VERNAC COMMAND EXTEND AddRelation1
+  [ "Add" "Relation" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(t) "symmetry" "proved" "by" constr(t')] ->
+   [ add_relation a aeq (Some t) (Some t') ]
+| [ "Add" "Relation" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(t) ] ->
+   [ add_relation a aeq (Some t) None ]
+| [ "Add" "Relation" constr(a) constr(aeq) ] ->
+   [ add_relation a aeq None None ]
+END
+
+VERNAC COMMAND EXTEND AddRelation2
+  [ "Add" "Relation" constr(a) constr(aeq) "symmetry" "proved" "by" constr(t')] ->
+   [ add_relation a aeq None (Some t') ]
+END
+
 (* Inversion lemmas (Leminv) *)
 
 open Inv
-- 
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