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Use the truth-tree decision procedure (relying on Proof Tools or pen/pencil and paper) to determine whether...

Use the truth-tree decision procedure (relying on Proof Tools or pen/pencil and paper) to determine whether P∧Q⊨¬Q is deductively valid.

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Use the truth-tree decision procedure (relying on Proof Tools or pen/pencil and paper) to determine whether P∧Q⊨¬Q is deductively valid.

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