Comment on There are no odd numbers divisible by 2

UnderpantsWeevil@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

• FishFace@piefed.social ⁨3⁩ ⁨weeks⁩ ago

  That’s not what divisible means

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  • gnutrino@programming.dev ⁨3⁩ ⁨weeks⁩ ago

    All odd numbers are divisible by 2 if you’re work modulo a prime.

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  • HeyThisIsntTheYMCA@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

    How sharp are your knives?

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  • Diddlydee@feddit.uk ⁨3⁩ ⁨weeks⁩ ago

    It is, just not in mathematics.

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    • FishFace@piefed.social ⁨3⁩ ⁨weeks⁩ ago

      what non-mathematical meaning are we talking about here?

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      • tomi000@lemmy.world ⁨2⁩ ⁨weeks⁩ ago

        I think what they mean is still a mathematical meaning, just a separate definition of ‘divisible’ not limited to integers. The term is usually used for the set of integers, but really you could define it on any set.

        “For x,y in S, x is called divisible by y if and only if x/y lies in S.” could be such a definition. Obviously you also need a definition of “/”, which is usually x/y=a <=> a*y=x with any operation *. This usually involves an algebraic Ring.

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      • Diddlydee@feddit.uk ⁨3⁩ ⁨weeks⁩ ago

        Divisible in maths leaves no remainder or is only whole numbers. In the real world everything is divisible by 2 as it doesn’t have the caveat of whole numbers.

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  • andMoonsValue@lemmy.world ⁨2⁩ ⁨weeks⁩ ago

    I believe the correct term is evenly divisible.

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