reserve X for set;
reserve k,m,n for Nat;
reserve i for Integer;
reserve a,b,c,d,e,g,p,r,x,y for Real;
reserve z for Complex;

theorem
  lim(rseq(0,b,0,d)) = b/d
  proof
    thus lim(rseq(0,b,0,d)) = rseq(0,b,0,d).0 by SEQ_4:26
    .= b/d by Th6;
  end;
