Uploaded September 2021 | Updated September 2026, 2 weeks ago

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This lecture is part of an online course on category theory.

We define natural isomorphisms and natural transformations of functors, and give some examples.


For the other lectures in the course see youtube.com/playlist?list=PL8yHsr3EFj51F9XZ_Ka4bLnQoxTdMx0AL