+ ?depth:int -> ?using:Cic.term ->
+ ?pattern:ProofEngineTypes.lazy_pattern -> Cic.term ->
+ ProofEngineTypes.tactic
+
+val cases_intros_tac:
+ ?howmany:int ->
+ ?mk_fresh_name_callback:ProofEngineTypes.mk_fresh_name_type ->
+ ?pattern:ProofEngineTypes.lazy_pattern -> Cic.term ->
+ ProofEngineTypes.tactic