+ ?depth:int -> ?using:Cic.term ->
+ ?pattern:ProofEngineTypes.lazy_pattern -> Cic.term ->
+ ProofEngineTypes.tactic
+
+val cases_intros_tac:
+ ?mk_fresh_name_callback:ProofEngineTypes.mk_fresh_name_type ->
+ Cic.term -> ProofEngineTypes.tactic
+
+(* FG *)
+
+(* inserts a hole in the context *)
+val letout_tac:
+ ProofEngineTypes.tactic