# Today I Learned

Some of the things I've learned every day since Oct 10, 2016

## 79: Hom-Set

December 30, 2016

Posted by on In category theory, the **hom-set** between 2 objects in a category , often denoted as

or simply

is the collection of arrows (morphisms) in from to . Note that despite the name, the hom-set is not a set in general.

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