X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FreductionTactics.mli;h=dbec3fb72b0d9532b2fa016bd7737749c62dd573;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=dbee7c5cddd715f13b831a71391f37f0cdcc375d;hpb=df0606d3bcbc41272fcde2d013bbe0b1aadf98af;p=helm.git

diff --git a/helm/ocaml/tactics/reductionTactics.mli b/helm/ocaml/tactics/reductionTactics.mli
index dbee7c5cd..dbec3fb72 100644
--- a/helm/ocaml/tactics/reductionTactics.mli
+++ b/helm/ocaml/tactics/reductionTactics.mli
@@ -23,12 +23,25 @@
  * http://cs.unibo.it/helm/.
  *)
 
-(* The default of term is the thesis of the goal to be prooved *)
 val simpl_tac: pattern:ProofEngineTypes.pattern -> ProofEngineTypes.tactic
 val reduce_tac: pattern:ProofEngineTypes.pattern -> ProofEngineTypes.tactic
 val whd_tac: pattern:ProofEngineTypes.pattern -> ProofEngineTypes.tactic
 val normalize_tac: pattern:ProofEngineTypes.pattern -> ProofEngineTypes.tactic
 
+(* The default of term is the thesis of the goal to be prooved *)
+val unfold_tac:
+  ProofEngineTypes.lazy_term option ->
+  pattern:ProofEngineTypes.pattern ->
+    ProofEngineTypes.tactic
+
+val change_tac:
+  pattern:ProofEngineTypes.pattern ->
+  ProofEngineTypes.lazy_term ->
+    ProofEngineTypes.tactic 
+
 val fold_tac:
- reduction:(Cic.context -> Cic.term -> Cic.term) ->
- pattern:ProofEngineTypes.pattern -> term:Cic.term -> ProofEngineTypes.tactic
+ reduction:ProofEngineTypes.lazy_reduction ->
+ term:ProofEngineTypes.lazy_term ->
+ pattern:ProofEngineTypes.pattern ->
+   ProofEngineTypes.tactic
+