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If it is raining, then I stay home and go to work. If I go to...

If it is raining, then I stay home and go to work. If I go to work, then I do not stay home. I go to work. Therefore, it is not raining.

  1. Symbolize the following argument in propositional logic, then show the argument form is valid by constructing a proof that cites every inference rule and propositional logical equivalence used. Let r = it is raining; s = I stay home; and, w = I go to work.
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