Logic

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Across
  1. 1. argument
  2. 4. formal
  3. 5. premise
  4. 6. complex
  5. 7. ambiguity
  6. 11. begging
  7. 12. attack
Down
  1. 1. induction
  2. 2. fallacies
  3. 3. ignoratio
  4. 8. truth
  5. 9. informal
  6. 10. cause