proposition: Lemma eq_sum_telescope (V : zmodType) (u_ : V ^nat) n : u_ n = u_ 0%N + series (telescope u_) n.
proof: Proof. by rewrite telescopeK/= addrC addrNK. Qed.
imports: mathcomp(all_ssreflect ssralg ssrint ssrnum matrix) mathcomp(interval rat) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(set_interval) reals ereal signed topology normedtype landau