Logic Unit Crossword

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Across
  1. 2. A compound sentence formed by combining two sentences using the words "if...then"
  2. 4. the statement after "-->" in a conditional
  3. 5. logical result of the relationship between premises
  4. 6. used to join two or more simple sentences, "and", "or", "if, then", "if and only if"
  5. 8. the conclusion is true whenever the premises are assumed true
  6. 9. A sentence that is either trued or false, but not both simultaneously
  7. 10. ~
  8. 13. compound statement when the antecedent and consequent are negated but not reversed
  9. 15. -->
  10. 16. used to test the validity of an argument
  11. 20. compound statement when the antecedent and consequent are reversed but not negated
  12. 22. <-->
  13. 23. A compound statement that is always false
  14. 25. the opposite of any given statement through adding the word "not", written as "~"
  15. 26. the statement before "-->" in a conditional
  16. 27. A compound sentence formed by combining two sentences using the words "if and only if"
Down
  1. 1. A compound sentence formed by combining two sentences using the word "and"
  2. 3. ^
  3. 4. obtained by reversing and negating the antecedent and the consequent
  4. 7. Compound statements that are made up of the same simple statements and have the same corresponding truth tables
  5. 11. proposition used as evidence in an argument
  6. 12. "all", "some", "no" (or "none")
  7. 14. if "p-->q, q-->r" is true then "p-->r" is true
  8. 17. A compound statement that is always true
  9. 18. =
  10. 19. A compound sentence formed by combining two sentences using the word "or"
  11. 21. an invalid arguement
  12. 24. v