LOGIC SYMBOLS

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