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