Logic Symbols

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Across
  1. 6. !
  2. 7. ~
  3. 10. ¬
  4. 11.
  5. 13. +
  6. 14.
  7. 15. ∵ because / since
Down
  1. 1. |
  2. 2.
  3. 3.
  4. 4. ^
  5. 5. &
  6. 8.
  7. 9. x
  8. 12. ⊕ circled plus