Logic Terms

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Across
  1. 2. A statement that can be proven
  2. 3. The statement whose truth value is opposite of the truth value
  3. 4. The statement that is true if and only if at least one of p and q is correct
  4. 7. Set Is a deck of ordinary playing cards
  5. 9. If every element of set A is also contained in set B, then set A is a subset of set B
Down
  1. 1. Groups statements together
  2. 5. A declarative sentence that is either true or false
  3. 6. The statement that is true if and only if both p and q are true
  4. 8. Any object of the collection set
  5. 10. A collection of objects together with some rules to determine whether a given object belongs to this collection