math135-a2 - Assignment 2 Questions 1. Negate the...

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Assignment 2 – Questions 1. Negate the expression x y, ( P ( x ) OR Q ( y )) and simplify your answer. 2. For each of the following statements, determine whether it is true when the universe of discourse is Z and whether it is true when the universe of discourse is R . (a) x y ( x = y 3 ) (b) x y ( y < x AND z ( z < x
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