Which boolean expression is equivalent to the NAND (Not-AND) gate P↑QP \uparrow QP↑Q?
¬(P∧Q)\neg(P \land Q)¬(P∧Q)
¬P∧¬Q\neg P \land \neg Q¬P∧¬Q
¬P∨¬Q\neg P \lor \neg Q¬P∨¬Q
Both a and c