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  3. let x, y ∈ z. prove that x ≡ y + 1 (mod

Let x, y ∈ Z. Prove that x ≡ y + 1 (mod 2) if...

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Advance Math

Let x, y ∈ Z. Prove that x ≡ y + 1 (mod 2) if and only if x ≡ y+ 1 (mod 4) or x ≡ y + 3 (mod 4)

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