Logic Symbols

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Across
  1. 3. Presented by the symbol "v"
  2. 4. It is presented by the symbol "¬"
  3. 5. It is presented by the symbol "•"
  4. 8. Presented by the symbol "^"
  5. 10. Presented by the symbol "∀"
  6. 11. Presented by the symbol "∵"
  7. 13. With the addition of
  8. 14. Negation or "~"
  9. 15. If and only if (iff)
Down
  1. 1. It is presented by the symbol "&"
  2. 2. Presented by the symbol "|"
  3. 6. It is presented by the symbol "!"
  4. 7. It is presented by the symbol "∴"
  5. 9. It is presented by the symbol "∃ "
  6. 12. Exclusive or - xor