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Unformatted text preview: Assignment 2 1. Which of the following propositions are true? a) 1 . 3 < 3 or chickens have lips. b) 1955 was a bad year for wine and 2 can be written as a fraction. c) 6 < 7 or 7 < 8. d) Ducks have claws 1 + 1 = 2. e) There are innitely many primes The U. S. debt is $10. 1 2. 1.3: 1,2,7,9 3. 1.4: 5, 6, 8, 9 4. Use the fundamental theorem of arithmetic to prove that 2 1 / 3 is irrational. 5. Assume that x,y, are real numbers. Which of the following propositions are true? a) ( x )( y )( x + y = 0) b) ( y )( x )( x + y = 0) c) ( y )( x )( xy = 0) d) b) a) e) a) b) 2...
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 Winter '10
 ESKIN
 Math

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