let normalize = ReductionTactics.normalize_tac
let reduce = ReductionTactics.reduce_tac
let reflexivity = Setoids.setoid_reflexivity_tac
-let rename = ProofEngineStructuralRules.rename
let replace = EqualityTactics.replace_tac
let rewrite = EqualityTactics.rewrite_tac
let rewrite_simpl = EqualityTactics.rewrite_simpl_tac
let right = IntroductionTactics.right_tac
let ring = Ring.ring_tac
-let set_goal = ProofEngineStructuralRules.set_goal
let simpl = ReductionTactics.simpl_tac
let split = IntroductionTactics.split_tac
-let subst = EqualityTactics.subst_tac
+let subst = SubstTactic.subst_tac
let symmetry = EqualityTactics.symmetry_tac
let transitivity = EqualityTactics.transitivity_tac
let unfold = ReductionTactics.unfold_tac