Category Theory and Facebook

The Endeavour 2017-01-19

From Drew Armstrong’s notes on adjoint functors:

Once upon a time, my opinion of category theory was the same as my opinion of Facebook: if I ignore it for long enough, hopefully it will go away. It is now my educated opinion that category theory will not go away, and in fact the language of category theory will continue to spread until it becomes the default foundation of mathematics.

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