Author: dan Format: MarkdownItexCorrect reference to Sketches of an Elephant from 4.5.3 to D4.5.3.
<a href="https://ncatlab.org/nlab/revision/diff/internally+projective+object/13">diff</a>, <a href="https://ncatlab.org/nlab/revision/internally+projective+object/13">v13</a>, <a href="https://ncatlab.org/nlab/show/internally+projective+object">current</a>
Correct reference to Sketches of an Elephant from 4.5.3 to D4.5.3.