reserve s for set,
  i,j for Nat,
  c,c1,c2,c3 for Complex,
  F,F1,F2 for complex-valued FinSequence,
  R,R1,R2 for i-element complex-valued FinSequence;

theorem
  Product (<*c*>^F) = c * Product F
proof
  thus Product (<*c*>^F) = Product <*c*> * Product F by RVSUM_1:97
    .= c * Product F;
end;
