Logic

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Across
  1. 1. When two statements have the same exact truth values, they are said to be logically _______
  2. 4. a formula which is “always true”
  3. 8. A _______ statement is an if-then statement where p is a hypothesis, and q is a conclusion.
  4. 11. A _______ sentence is an objective statement which is either true or false.
  5. 13. a formula which is “always false”
Down
  1. 2. A statement and its _______ have opposite truth values.
  2. 3. A compound statement formed by joining two statements with the connector OR.
  3. 5. A compound statement formed by joining two statements with the connector AND.
  4. 6. A _______ statement is defined to be true whenever both parts have the same truth value.
  5. 7. A _______ statement is a sentence that consists of two or more statements separated by logical connectors.
  6. 9. An _______ sentence is a statement which contains a variable and becomes either true or false depending upon the value that replaces the variable.
  7. 10. A ______ table helps us to see the truth values of logic statements.
  8. 12. A sentence that is either true or false, but not both simultaneously.