Master of Logic

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Across
  1. 2. terms spelled alike
  2. 8. father of logic
  3. 9. term as it exists logically
  4. 11. change quality and negate predicate
  5. 12. statement that is true or false
  6. 17. what concept refers to
  7. 18. group of propositions
  8. 21. correspondence to reality
  9. 22. term as it exists verbally
Down
  1. 1. term w same meaning
  2. 3. negative or affirmative
  3. 4. term as it exists in real world
  4. 5. confirm or deny
  5. 6. sum of notes by concept
  6. 7. swap subject and predicate
  7. 10. terms applied to different things w related meaning
  8. 13. verbally expresses concept
  9. 14. know true from false
  10. 15. conclusion follows premises
  11. 16. true and valid
  12. 19. science of right thinking
  13. 20. universal or particular