fact: Definition opp_slow (u : U) (X : I.type) (t : T) : T := Tm (TM_opp (get_tm u X t)).
imports: Coq(Reals ZArith Psatz) mathcomp.ssreflect(ssreflect ssrbool ssrfun eqtype ssrnat seq bigop) Interval Xreal Basic Interval_compl Datatypes Taylor_model_sharp Bound Bound_quad Univariate_sig