Pre-Calculus Homework Solutions 26

Pre-Calculus Homework Solutions 26 - 2-2 14. Logic Pages...

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Logic Pages 71–72 Check for Understanding 1. The conjunction ( p and q ) is represented by the intersection of the two circles. 2a. Sample answer: October has 31 days or 2 5 1 3 52 8. 2b. Sample answer: A square has five right angles and the Postal Service does not deliver mail on Sundays. 2c. Sample answer: July 5th is not a national holiday. 3. A conjunction is a compound statement using the word and ,while a disjunction is a compound statement using the word or . 4. 9 1 5 5 14 and February has 30 days.; false, because p is true and q is false 5. 9 1 5 5 14 and a square has four sides.; true, because p is true and r is true 6. February has 30 days and a square has four sides.; false, because q is false and r is true 7. 9 1 5 5 14 or February does not have 30 days.; true, because p is true and , q is true 8. February has 30 days or a square has four sides.; true, because r is true 9. 9 1 5 Þ 14 or a square does not have four sides.; false, because , p is false and , r is false 10. 11.
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