LOGIC SYMBOLS

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Across
  1. 2. three dots pointing downward
  2. 3. NOt-negation
  3. 5. Up-pointing angle indicates continuation
  4. 7. The exclamation mark
  5. 9. A flipped letter E
  6. 11. means negation
  7. 12. shapes like the number 8
  8. 14. arrow that points left and right
  9. 15. an arrow that points on right
Down
  1. 1. Circled plus
  2. 4. indication of choices "or"
  3. 6. a three triangular dot
  4. 8. indicated choices
  5. 10. and Upside-down letter A
  6. 13. shapes like cross