LOGIC SYMBOLS

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Across
  1. 2. MEANS ADDITION OR (+)
  2. 5. SYMBOL (x̄)
  3. 8. MEANS CIRCLED PLUS, EXLUSIVE OR-XOR
  4. 9. ANOTHER TERM FOR CIRCUMFLEX
  5. 13. SYMBOL (&)
  6. 14. A LINE THAT IS (|)
  7. 15. MADE UP OF THREE DOTS ARRANGED IN AN UPRIGHT TRIANGLE(∴)
Down
  1. 1. A MARK THAT IS NOT-NEGATION
  2. 3. MADE UP OF THREE DOTS ARRANGED IN AN DOWNWARD TRIANGLE(∵)
  3. 4. MEANS IF AND ONLY IF(IFF)
  4. 6. A CARET THAT HAS SYMBOL (V)
  5. 7. MEANS NOT- NEGATION AND A SYMBOL (¬)
  6. 10. A QOUTE THAT IS NOT-NEGATION, EXAMPLE:X'
  7. 11. SYMBOL (⇒)
  8. 12. MEANS THE NEGATION