fact: Hypothesis cvg_right : (f @ a^'+) --> f a.
imports: mathcomp(all_ssreflect ssralg ssrint ssrnum finmap) mathcomp(matrix interval zmodp vector fieldext falgebra) mathcomp(mathcomp_extra boolp classical_sets set_interval) mathcomp(functions cardinality) ereal reals signed topology prodnormedzmodule normedtype derive realfun itv HB(structures)