Im new in math world, i know the modulo congruence in order to defining odd and even. But I don't know if i can write
Even is $$x \equiv 2x$$ Odd is $$x \equiv 2x + 1$$
If it's not that, can you explain me why ?
Thank you
2026-03-25 15:37:46.1774453066
Even, Odd, Congruent
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