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6) (5 pts) Use the rules of inference to prove the following argument: por S q (pv q) S :r

6) (5 pts) Use the rules of inference to prove the following argument: [ begin{array}{l} p ightarrow r s bar{q}

6) (5 pts) Use the rules of inference to prove the following argument: por S q (pv q) S :r

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