let change = ReductionTactics.change_tac
let clear = ProofEngineStructuralRules.clear
let clearbody = ProofEngineStructuralRules.clearbody
let change = ReductionTactics.change_tac
let clear = ProofEngineStructuralRules.clear
let clearbody = ProofEngineStructuralRules.clearbody
let contradiction = NegationTactics.contradiction_tac
let cut = PrimitiveTactics.cut_tac
let decompose = EliminationTactics.decompose_tac
let contradiction = NegationTactics.contradiction_tac
let cut = PrimitiveTactics.cut_tac
let decompose = EliminationTactics.decompose_tac
let destruct = DiscriminationTactics.destruct_tac
let elim_intros = PrimitiveTactics.elim_intros_tac
let elim_intros_simpl = PrimitiveTactics.elim_intros_simpl_tac
let destruct = DiscriminationTactics.destruct_tac
let elim_intros = PrimitiveTactics.elim_intros_tac
let elim_intros_simpl = PrimitiveTactics.elim_intros_simpl_tac
let set_goal = ProofEngineStructuralRules.set_goal
let simpl = ReductionTactics.simpl_tac
let split = IntroductionTactics.split_tac
let set_goal = ProofEngineStructuralRules.set_goal
let simpl = ReductionTactics.simpl_tac
let split = IntroductionTactics.split_tac
let symmetry = EqualityTactics.symmetry_tac
let transitivity = EqualityTactics.transitivity_tac
let unfold = ReductionTactics.unfold_tac
let symmetry = EqualityTactics.symmetry_tac
let transitivity = EqualityTactics.transitivity_tac
let unfold = ReductionTactics.unfold_tac