fact: Definition L (f : C_inf_ab c d Hcd) : (C_inf_ab a b Hab) := Build_C_inf_ab a b Hab (L_func f) (L_diffble_all_n f).
imports: ssreflect CSetoids CSetoidFun CFields CPolynomials Program Omega Equivalence Morphisms Wf Morphisms CRings CRing_Homomorphisms Rational Setoid CPoly_NthCoeff CPoly_Degree CReals Intervals CauchySeq IntervalFunct MoreIntervals MoreFunctions Composition seq bigopsClass Structures