fact: Definition tsize (t : T) : nat := match t with | Const _ => 1 | Var => 2 | Tm tm => tmsize tm end.
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