Co-Adhesive Categories…

Benjamin Bumpus

Tue Nov 07 2023

Sometimes in math things sound obviously true and that’s exactly how it turns out. Other times, you’re less lucky. Today was one of those days. In this post we’ll see that, although \(\mathsf{Grph}\) is adhesive, \(\mathsf{Grph}^{op}\) isn’t.

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This is a companion discussion topic for the original entry at https://bmbumpus.com/2023/11/07/co-adhesive-categories/