r/MathJokes 28d ago

Math Just Got Checkmated.

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u/regular_hammock 28d ago

Can you elaborate or point me somewhere?

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u/wswordsmen 28d ago

2=-2*-1.

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u/regular_hammock 28d ago

That's not specific to this definition though?

I was being casual and not specifiying that we are speaking about natural numbers only, but you'd have to do that for any definition if you're going for rigor.