let intros = PrimitiveTactics.intros_tac
let inversion = Inversion.inversion_tac
let lapply = FwdSimplTactic.lapply_tac
let left = IntroductionTactics.left_tac
let letin = PrimitiveTactics.letin_tac
let normalize = ReductionTactics.normalize_tac
let intros = PrimitiveTactics.intros_tac
let inversion = Inversion.inversion_tac
let lapply = FwdSimplTactic.lapply_tac
let left = IntroductionTactics.left_tac
let letin = PrimitiveTactics.letin_tac
let normalize = ReductionTactics.normalize_tac