X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FreductionTactics.mli;h=dbec3fb72b0d9532b2fa016bd7737749c62dd573;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=6ef80512b8173ec4fd8b776181078530e45c9c0a;hpb=6d93d688ae2da401417f64ffd5ee6ffccaa89fc1;p=helm.git

diff --git a/helm/ocaml/tactics/reductionTactics.mli b/helm/ocaml/tactics/reductionTactics.mli
index 6ef80512b..dbec3fb72 100644
--- a/helm/ocaml/tactics/reductionTactics.mli
+++ b/helm/ocaml/tactics/reductionTactics.mli
@@ -23,17 +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:
- ?what:Cic.term -> pattern:ProofEngineTypes.pattern -> ProofEngineTypes.tactic
+  ProofEngineTypes.lazy_term option ->
+  pattern:ProofEngineTypes.pattern ->
+    ProofEngineTypes.tactic
 
 val change_tac:
-  pattern:ProofEngineTypes.pattern -> Cic.term -> ProofEngineTypes.tactic 
+  pattern:ProofEngineTypes.pattern ->
+  ProofEngineTypes.lazy_term ->
+    ProofEngineTypes.tactic 
 
 val fold_tac:
- reduction:(Cic.context -> Cic.term -> Cic.term) -> term:Cic.term ->
- pattern:ProofEngineTypes.pattern -> ProofEngineTypes.tactic
+ reduction:ProofEngineTypes.lazy_reduction ->
+ term:ProofEngineTypes.lazy_term ->
+ pattern:ProofEngineTypes.pattern ->
+   ProofEngineTypes.tactic
+