แบบทดสอบย่อยฟังก์ชัน

(2, 4)

(2, -4)

(-2, 4)

(-2, -4)

{(p,q) , (m, n)}

{(p, m), (p, n)}

{(p, m), (p, n), (q, m), (q, n)}

{(p, m), (p, n), (q, m), (q, n), (q, r)}

$$\left\{\left(1,1\right),\left(1,2\right),\left(2,1\right),\left(2,2\right)\right\}$$  

$$\left\{\left(1,1\right),\left(1,2\right),\left(3,1\right),\left(3,2\right)\right\}$$  

     $$\left\{\left(1,1\right),\left(1,3\right),\left(2,1\right),\left(2,3\right)\right\}$$

$$\left\{\left(1,1\right),\left(1,3\right),\left(3,1\right),\left(3,3\right)\right\}$$

$$\left\{\left(3,a\right),\left(3,b\right),\left(4,a\right),\left(4,b\right)\right\}$$

$$\left\{\left(a,3\right),\left(a,4\right),\left(b,3\right),\left(b,a\right)\right\}$$

$$\left\{\left(3,a\right),\left(3,b\right),\left(a,4\right),\left(4,b\right)\right\}$$

$$\left\{\left(a,a\right),\left(a,b\right),\left(b,a\right),\left(b,b\right)\right\}$$

$$\left\{\left(3,3\right),\left(3,4\right),\left(4,3\right),\left(4,4\right)\right\}$$

$$\left\{\left(a,3\right),\left(a,4\right),\left(b,3\right),\left(b,a\right)\right\}$$

$$\left\{\left(a,3\right),\left(a,4\right),\left(b,3\right),\left(b,4\right)\right\}$$

$$\left\{\left(a,a\right),\left(a,b\right),\left(b,a\right),\left(b,b\right)\right\}$$

{(1,5), (1,6), (2,6)}

{(1,5), (2,6), (3,3)}

{(1,5), (2,6), (3,5)}

{(1,5), (2,6)}

{(5,1), (5,2), (6,1), (6,2)}

ϕ

{(1,5), (1,6), (2,5), (2,6)}

{(1,5), (2,6)}

{(2,3), (3,3), (4,3)}

{(3,3), (3,4)} 

{(3,3), (3,4), (4,3), (4,4)}

{(3,3), (4,3)}

{(1,2), (1,3), (2,3)}

{(2,5), (2,6)}

{(1,5), (2,5), (3,5)}

{(5,2), (5,3)}

{(1,5), (1,6), (2,6)}

{(1,5), (2,6), (3,3)}

{(1,6), (2,5), (3,6)}

{(1,5), (2,6)}