3.2 Rules of Inference with Propositions

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Across
  1. 3. The validity of an argument is established by applying the rules of inference and laws of propositional logic in a logical ______.
  2. 5. H1: ﹁q, H2: p → q, ∴ p
  3. 7. H1: p, H2: p → q, ∴ q
  4. 8. H1: p ∨ q, H2: ﹁p ∨ r, ∴ q ∨ r
  5. 9. H1: p, ∴ p ∨ q
Down
  1. 1. H1: p ∧ q, ∴ p
  2. 2. H1: p, H2: q, ∴ p ∧ q
  3. 4. What syllogism? H1: p → q, H2: q → r, ∴ p → r
  4. 6. What syllogism? H1: p ∨ q, H2: ﹁p, ∴ q