El profesor se sorprenderá mucho al ver tu solución correcta😉
(¬(y∨(¬x)))⇒((x∨y)⇒x)
+---+---+--------+ | x | y | result | +===+===+========+ | 0 | 0 | 1 | +---+---+--------+ | 0 | 1 | 1 | +---+---+--------+ | 1 | 0 | 1 | +---+---+--------+ | 1 | 1 | 1 | +---+---+--------+