Co-Adhesive Categories…

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.

This is a companion discussion topic for the original entry at
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I was saving for a rainy day. The trouble is that there aren’t that many rainy days in Florida, so I never checked it until today

That’s why we can work out so much category theory in Scotland! :smile: