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-rw-r--r--parsing/g_tactic.ml42
-rw-r--r--tactics/coretactics.ml45
-rw-r--r--tactics/tacenv.ml1
3 files changed, 6 insertions, 2 deletions
diff --git a/parsing/g_tactic.ml4 b/parsing/g_tactic.ml4
index 7b79d7882..a97b73da7 100644
--- a/parsing/g_tactic.ml4
+++ b/parsing/g_tactic.ml4
@@ -639,7 +639,7 @@ GEXTEND Gram
| IDENT "econstructor"; t = OPT tactic -> TacAnyConstructor (true,t)
(* Equivalence relations *)
- | IDENT "symmetry"; cl = clause_dft_concl -> TacSymmetry cl
+ | IDENT "symmetry"; "in"; cl = in_clause -> TacSymmetry cl
(* Equality and inversion *)
| IDENT "rewrite"; l = LIST1 oriented_rewriter SEP ",";
diff --git a/tactics/coretactics.ml4 b/tactics/coretactics.ml4
index 63daab227..283cff73f 100644
--- a/tactics/coretactics.ml4
+++ b/tactics/coretactics.ml4
@@ -10,6 +10,7 @@
open Util
open Names
+open Locus
open Tacexpr
open Misctypes
open Tacinterp
@@ -113,3 +114,7 @@ TACTIC EXTEND specialize
Tacticals.New.tclWITHHOLES false specialize sigma c
]
END
+
+TACTIC EXTEND symmetry
+ [ "symmetry" ] -> [ Tactics.intros_symmetry {onhyps=Some[];concl_occs=AllOccurrences} ]
+END
diff --git a/tactics/tacenv.ml b/tactics/tacenv.ml
index df01b486c..9da5d44e0 100644
--- a/tactics/tacenv.ml
+++ b/tactics/tacenv.ml
@@ -84,7 +84,6 @@ let initial_atomic =
"esplit", TacSplit(true,false,[NoBindings]);
"constructor", TacAnyConstructor (false,None);
"econstructor", TacAnyConstructor (true,None);
- "symmetry", TacSymmetry nocl
]
in
let fold accu (s, t) = Id.Map.add (Id.of_string s) t accu in