نمایش کامل متن تصویر (کلیک کنید)
$A = \{ 2x - 1 | x \in N, x \le 2 \} = \{ 1, 2 \} \to \{ 2(1) - 1, 2(2) - 1 \} = \{ 1, 3 \}$
$B = \{ 2x + 3 | x \in N, x \le 3 \} = \{ 1, 2, 3 \} \to \{ 2(1) + 3, 2(2) + 3, 2(3) + 3 \} = \{ 5, 7, 9 \}$
$C = \{ 5n + 3 | n \in N \} = \{ 1, 2, 3, \dots \} \to \{ 5(1) + 3, 5(2) + 3, 5(3) + 3, \dots \} = \{ 8, 13, 18, \dots \}$
