Find a counterexample, if possible, to these

Chapter 1, Problem 1.4.40

(choose chapter or problem)

Find a counterexample, if possible, to these universally quantified statements, where the domain for all variables consists of all integers. a) Vx3y(x = l/y) b) Vx3y(y2 -X < 1 00) c) VxVy(x2 =1= y3)

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