El profesor se sorprenderá mucho al ver tu solución correcta😉
(¬a)∧(¬b)∧(b∨(¬a))∧(b∨(¬b))
+---+---+--------+ | a | b | result | +===+===+========+ | 0 | 0 | 1 | +---+---+--------+ | 0 | 1 | 0 | +---+---+--------+ | 1 | 0 | 0 | +---+---+--------+ | 1 | 1 | 0 | +---+---+--------+