proposition: Lemma itv_partition_cons a b x s : itv_partition a b (x :: s) -> itv_partition x b s.
proof: Proof. by rewrite /itv_partition/= => -[/andP[]]. Qed.
imports: mathcomp(all_ssreflect ssralg ssrint ssrnum finmap) mathcomp(matrix interval zmodp vector fieldext falgebra) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(cardinality) ereal reals signed topology prodnormedzmodule normedtype derive sequences real_interval HB(structures)