reserve a, b, c, d, e for Complex;

theorem Th114: :: REAL_2'92
  c <> 0 implies a + b = c * (a / c + b / c)
proof
  assume
A1: c<>0;
  hence a+b=c*(a/c)+b by Lm3
    .=c*(a/c)+c*(b/c) by A1,Lm3
    .=c*(a/c+b/c);
end;
