cypherpunks-moderated  

Re: My current readings in Category Theory

Jim Choate
Tue, 02 Apr 2002 19:34:55 -0800


On Tue, 2 Apr 2002, Tim May wrote:

> Category theory is basically about the common categories (sets, 
> topologies, algebras, recursively-computable functions, stuff even from 
> computer science) and the diagrams that link them. There's more to it 
> than just saying "it's about talking about diagrams." It's a more 
> unified way of looking at "patterns" (no one that I know of has made the 
> connection between CT and pattern languages of programming (PLOP), a la 
> the Gang of Four (authors of the famous book), but I will be surprised 
> if there is not a deep link to be found there.

Read more, they have also been connected to such things as ERD's as well.

> Am I making the same mistake in thinking category theory is some kind of 
> uber-theory which unifies and connects disparate areas? 

What it DOES do is allow one to make predictions from one area of
experience into another area of experiece *when the second area of
experience isn't as well as explored as the first*.


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