Geometry Logic Crossword

1234567891011121314
Across
  1. 3. hypothesis and conclusion are reversed
  2. 4. symbolized with "⋀"
  3. 6. where both hypothesis and conclusion are negated
  4. 9. shortened version of "if and only if"
  5. 12. symbolized with "∩"
  6. 14. an example the contradicts the given statement
Down
  1. 1. symbolized with "∴"
  2. 2. reversing and negating the hypothesis and conclusion
  3. 5. logical statement that takes the form "if-then"
  4. 7. symbolized with "→"
  5. 8. statement using "if and only if" with two true statements
  6. 10. symbolized with "⋁"
  7. 11. symbolized with "∪"
  8. 13. symbolized with "~"