fact: Definition contains_all xi x := length xi = length x /\ forall n, contains (I.convert (nth n xi I.nai)) (Xreal (nth n x 0)).
imports: Coq(Bool Reals) Flocq(Zaux Raux) Coq(List) Coquelicot(Coquelicot) mathcomp.ssreflect(ssreflect) Stdlib Coquelicot Xreal Xreal_derive Basic Interval Interval_compl Taylor_model Tree Prog