Author: Dmitri Pavlov Format: MarkdownItexBlanked this page and injected spaces in the title to comply with the current convention on deleted pages.
<a href="https://ncatlab.org/nlab/revision/diff/Geoff+Cruttwell+%3E+history/3">diff</a>, <a href="https://ncatlab.org/nlab/revision/Geoff+Cruttwell+%3E+history/3">v3</a>, <a href="https://ncatlab.org/nlab/show/Geoff+Cruttwell+%3E+history">current</a>
Blanked this page and injected spaces in the title to comply with the current convention on deleted pages.