use indirect truth tables to determine whether each of the following arguments is valid. If the argument is invalid, specify a counterexample.
-(W $ \lor $ X) ⊃∼(Y • ∼Z)
∼(Y • W) ⊃∼Z
∼(W $ \lor $ X) $ \lor $ Z / (Z $ \lor $ W) ⊃ (X • Y)

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The Answer of use indirect truth tables to determine whether each of the following arguments is valid. If the argument is invalid, specify a counterexample.
-(W $ \lor $ X) ⊃∼(Y • ∼Z)
∼(Y • W) ⊃∼Z
∼(W $ \lor $ X) $ \lor $ Z / (Z $ \lor $ W) ⊃ (X • Y)

Use Indirect Truth Tables to Determine Whether Each of the Following