LOGIC SYMBOLS

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Across
  1. 1. ^
  2. 5. !
  3. 9. +
  4. 10. |
  5. 11. •.•
  6. 12. .•.
  7. 14. not-negation
  8. 15. &
Down
  1. 2. if and only if (iff)
  2. 3. equivalent or xor
  3. 4. ~
  4. 6. .
  5. 7. -
  6. 8. v
  7. 13. quote X'