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2. (15 points) Determine the truth value of each of these statements if the domain of each variable consists of all real numbers. a)
2. (15 points) Determine the truth value of each of these statements if the domain of each variable consists of all real numbers. a) Vxy (xy = 1) b) Vxy(x + y = 1) c) xy(x+2y= 2 A 2x+4y = 5) d) Vxy(x + y = 2^2x - y = 1) e) VxVyz(z = (x + y)/2) f) Vx3y(x = y) g) Vx3y(x = y) h) 3xVy(xy = 0) i) 3x3y(x+y!= y + x) j) Vx(x != 0 y(xy = 1))
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Discrete Mathematics and Its Applications
Authors: Kenneth H. Rosen
7th edition
0073383090, 978-0073383095
