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> I've never found out what "J" stands for > janky J-map There you go > Infinitesimals Infinitesimals are completely well-founded. It's just that Archimede
by lupire 2y ago
> I've never found out what "J" stands for
> janky J-map
There you go
> Infinitesimals
Infinitesimals are completely well-founded.
It's just that Archimedes and Newton didn't know a foundation for them.
https://en.m.wikipedia.org/wiki/Surreal_number https://en.m.wikipedia.org/wiki/Surreal_number
- sdenton4 2y agoYes, that's exactly the point... "But they didn't have any kind of mathematical foundation until the 1960's, when Robinson found a way to coherently axiomitize them."