Author: Urs Format: MarkdownItexI added exposition ([here](https://ncatlab.org/nlab/show/floor#AsAdjointFunctors)) of how floor and ceiling are the left and right adjoints to the full embedding of the integers into the real numbers
<a href="https://ncatlab.org/nlab/revision/diff/floor/3">diff</a>, <a href="https://ncatlab.org/nlab/revision/floor/3">v3</a>, <a href="https://ncatlab.org/nlab/show/floor">current</a>
I added exposition (here) of how floor and ceiling are the left and right adjoints to the full embedding of the integers into the real numbers