Twitter excerpts
Oct. 8th, 2009 12:02 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
michiexile- 10:52 @alpheccar What do you want to do with it? #
- 11:06 @DrMathochist Modus tollens would be B^A x B^c -> A^c, for a category with 'complements' or something? So some sort of contravariance? Dual? #
- 12:59 Stuck with the lecture(s?) on products, coproducts, limits, colimits and similar constructions. NO inspiration to be found. :-( #
- 19:50 27 students down to 4 enrolled and 8 auditors. Out of the 4, one CS undergrad, one CS grad, two math undergrad. #math198 #
