revisiting mathoverflow
Jun. 13th, 2018 11:32 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
juan_gandhihttps://mathoverflow.net/questions/171809/building-a-product-of-two-categories
It was a pretty legit question, but Doctor Wofsey says it's off-topic, and all categories are based on sets; seems like, in his view all theories are based on sets.
So, what should we do with a bunch of idiots pretending to be mathematicians? I don't know. I'm not one. But neither are they.
Reasked.
It was a pretty legit question, but Doctor Wofsey says it's off-topic, and all categories are based on sets; seems like, in his view all theories are based on sets.
So, what should we do with a bunch of idiots pretending to be mathematicians? I don't know. I'm not one. But neither are they.
Reasked.
no subject
Date: 2018-06-14 06:24 pm (UTC)It's noticeable when a positional system has a sign for 0 for a missing place-value (like, to mark zero units in 10), but does not use it for zero.