Logic

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Across
  1. 1. – A statement used as the basis for an argument.
  2. 5. – A statement that is always true.
  3. 7. – A conditional statement ("if…then") (→).
  4. 9. – The opposite of a given statement (¬).
  5. 10. – A statement that is either true or false.
  6. 12. – A logical equivalence ("if and only if") (↔).
  7. 14. – A logical OR operation (∨).
  8. 15. – Reasoning from general principles to specific cases.
Down
  1. 2. – Reasoning from specific cases to general principles.
  2. 3. Equivalence – Two statements that always have the same truth value.
  3. 4. Table – A table showing all possible truth values of a statement.
  4. 6. – The statement that follows logically from premises.
  5. 8. – A statement that is always false.
  6. 11. – A logical AND operation (∧).
  7. 13. – The process of deriving conclusions from premises.