Question: Use propositional logic to prove that the argument is valid, Do not use truth tables. x((P(x)Q(x))R(x))x(R(x)5(x))xQ(x)=3(35(x) Please use the following substitute operators during your exam:

Use propositional logic to prove that the argument is valid, Do not use truth tables. x((P(x)Q(x))R(x))x(R(x)5(x))xQ(x)=3(35(x) Please use the following substitute operators during your exam: A:EV:1::>V:A:E Use propositional logic to prove that the argument is valid, Do not use truth tables. x((P(x)Q(x))R(x))x(R(x)5(x))xQ(x)=3(35(x) Please use the following substitute operators during your exam: A:EV:1::>V:A:E

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