Intermediate Logic Lessons 1-5

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Across
  1. 2. An uppercase letter that represents a single, given proposition.
  2. 4. A proposition with more than one component part.
  3. 6. A logical operator that is true when both component propositions have the same truth value, and is false when their truth values differ. ("If and only if")
  4. 7. A proposition with only one component part.
  5. 8. A branch of formal, deductive logic, in which the basic unit of thought is the proposition.
  6. 11. A logical operator that joins two propositions and is true if and only if both the propositions are true. (and)
  7. 12. A listing of the possible truth values for a set of one or more propositions.
  8. 13. A logical operator that asserts that one component (the antecedent) implies the other (the consequent). It is false if and only if the antecedent is true and the consequent is false.
  9. 14. A statement.
  10. 15. This displays the truth values produced by a logical operator modifying a minimum number of variables.
Down
  1. 1. A logical operator that joins two propositions and is true if and only if one or both of the propositions is true. (or)
  2. 3. A proposition is _____ when its truth value depends upon the truth values of its component parts.
  3. 5. A lowercase letter that represents any proposition.
  4. 9. Words that combine or modify simple propositions to make compound propositions.
  5. 10. The logical operator that denies or contradicts a proposition.