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Find the counterexample to this statement: If xy = 0, then y must be equal to 0.
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If xy = 0 then x must be equal to 0 is the counterexample. Basically, one of the variables has to equal zero.
the answer above is not correct a counter-example demonstrates that the sentence is false according to the statement we have that xy=0 -> y=0 so are there any cases, values for x and y (with y not =0), such that xy=0? find a value of x that makes this statement true, that is your counterexample
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