val we_proceed_by_induction_on : Cic.term -> Cic.term -> ProofEngineTypes.tactic
val byinduction : Cic.term -> string -> ProofEngineTypes.tactic
val we_proceed_by_induction_on : Cic.term -> Cic.term -> ProofEngineTypes.tactic
val byinduction : Cic.term -> string -> ProofEngineTypes.tactic