Question: Need help with this 6. Explain why the following Proposition is true by either proving it directly or by proving the contrapositive (be sure to

Need help with this

6. Explain why the following Proposition is true by either proving it directly or by proving the contrapositive (be sure to clearly indicate which proof method you are using). Proposition. If x E Z is a perfect square, then x = 0 mod 4 or x = 1 mod 4

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