Question

Find A × B, A × A and B × A :

A = B = {p, q}

Answer 1

A = B = {p, q}

A × B = {p, q} × {p, q}

= {(p, p) (p, q) (q, p) (q, q)}

A × A = {p, q} × {p, q}

= {(p, p) (p, q) (q, p) (q, q)}

B × A = {p, q} × {p, q}

= {(p, p) (p, q) (q, p) (q, q)}