Comment on Anon describes experience

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WoodScientist@sh.itjust.works ⁨10⁩ ⁨hours⁩ ago

Depends on how your mathematical system is defined. In the mathematics system this teacher is using, negative numbers simply do not exist. The answer to 5-6 is the same as 5/0: NaN. Is this mathematical system incomplete? Yes. But, as has been thoroughly proven, there is no such thing as a complete mathematical system.

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