val set_goal : int -> ProofEngineTypes.tactic
val simpl : pattern:ProofEngineTypes.lazy_pattern -> ProofEngineTypes.tactic
val split : ProofEngineTypes.tactic
val set_goal : int -> ProofEngineTypes.tactic
val simpl : pattern:ProofEngineTypes.lazy_pattern -> ProofEngineTypes.tactic
val split : ProofEngineTypes.tactic