3 val ring_tac: ProofEngineTypes.tactic
5 (*Galla: spostata in variuosTactics.ml
6 (* auxiliary tactics *)
7 val elim_type_tac: term: Cic.term -> ProofEngineTypes.tactic
10 (* spostata in variousTactics.ml
11 val reflexivity_tac: ProofEngineTypes.tactic