2 ms·
Let A = quirky, B = spectrum, and AnB =/= AuB. Therefore if x e A, x e B if and only if x e B (and therefore not all x e A -> x e B)
by delis-thumbs-7e 8mo ago
Let A = quirky, B = spectrum, and AnB =/= AuB. Therefore if x e A, x e B if and only if x e B (and therefore not all x e A -> x e B)