• erin (she/her)
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      2 months ago

      This isn’t a rigorous mathematic proof that would prove that it holds true in every case. You aren’t wrong, but this is a colloquial definition of proof, not a mathematical proof.

      • humblebun@sh.itjust.works
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        2 months ago

        Sorry, I’ve spent too much of my earthly time on reading and writing formal proofs. I’m not gonna write it now, but I will insist that it’s easy

        • erin (she/her)
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          2 months ago

          Oh trust me, I believe you. Especially using modern set theory and not the Principia Mathematica.

    • davidagain@lemmy.world
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      2 months ago

      Only works for a smooth curve with a neighbourhood around it. I think you need the transverse regular theorem or something.