Basic Set Theory

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Across
  1. 4. Name of the logical symbol (V)
  2. 7. A sentence which is either true or false
  3. 9. Logical gate equivalent to conjunction
  4. 10. A set representation method ex- {x|x = natural no.}
  5. 11. Number of elements
  6. 12. All combination subsets of given set
Down
  1. 1. A logic whose outcome is always True
  2. 2. Name of the logical operation (->)
  3. 3. Unordered collection of distinct well ordered data
  4. 5. Name of law stating A U B = B U A
  5. 6. A logical property stating A U A = A
  6. 8. A method of proving using a domino effect
  7. 13. Is discrete mathematics easy or hard