Which expression is the logical negation of P ⟹ QP \implies QP⟹Q?
P∧¬QP \land \neg QP∧¬Q
¬P ⟹ ¬Q\neg P \implies \neg Q¬P⟹¬Q
P∨¬QP \lor \neg QP∨¬Q
¬P∧Q\neg P \land Q¬P∧Q