change code moved to change_tac (functional version defined in primitiveTactics)

[helm.git] / helm / gTopLevel / proofEngine.mli

diff --git a/helm/gTopLevel/proofEngine.mli b/helm/gTopLevel/proofEngine.mli
index f9233ea05a83a2f1b2b4100999098cc94b058285..fed8d04ad7598a6689625c3acf740a0f3373c55b 100644 (file)
--- a/helm/gTopLevel/proofEngine.mli
+++ b/helm/gTopLevel/proofEngine.mli
@@ -23,8 +23,6 @@
  * http://cs.unibo.it/helm/.
  *)
 
-exception NotConvertible
-
   (* proof engine status *)
 val proof : ProofEngineTypes.proof option ref
 val goal : ProofEngineTypes.goal option ref
@@ -37,7 +35,6 @@ val whd : Cic.term -> unit
 val reduce : Cic.term -> unit
 val simpl : Cic.term -> unit
 val fold : Cic.term -> unit
-val change : goal_input:Cic.term -> input:Cic.term -> unit
 
   (* scratch area reduction tactics *)
 val whd_in_scratch : Cic.term -> Cic.term -> Cic.term
@@ -51,6 +48,7 @@ val cut : Cic.term -> unit
 val letin : Cic.term -> unit
 val exact : Cic.term -> unit
 val elim_intros_simpl : Cic.term -> unit
+val change : goal_input:Cic.term -> input:Cic.term -> unit
 
   (* structural tactics *)
 val clearbody : Cic.hypothesis -> unit