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Principle of continuity. There are two circles, they intersect in two places. The they are moved apart. There is no visible intersection. But mathematically they still intersect in two places, the coordinates contain the imaginary number i (square root of -1).

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Principle of continuity. There are two circles, they intersect in two places. The they are moved apart. There is no visible intersection. But mathematically they still intersect in two places, the coordinates contain the imaginary number i (square root of -1).
https://files.ohai.social/media_attachments/files/111/511/698/882/420/933/original/50b7d4acaca1f1ae.webp

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GreenSkyOverMe (Monika) (greenskyoverme@ohai.social)'s status on Sunday, 03-Dec-2023 01:13:30 JST GreenSkyOverMe (Monika)

Hmm
https://www.newscientist.com/article/mg20427391-600-alices-adventures-in-algebra-wonderland-solved/#:~:text=To%20Dodgson%2C%20though%2C%20the%20new,to%20teach%20to%20an%20undergraduate

In conversation about a year ago from ohai.social permalink