# Talk:Groupoid

From Encyclopedia of Mathematics

"different geometry [a3]" — really? Maybe, differential geometry? Boris Tsirelson (talk) 19:59, 13 December 2015 (CET)

- The phrase is in the original text. But chapter 5 of Kock, Anders,
*Synthetic geometry of manifolds*, Cambridge Tracts in Mathematics**180**, Cambridge University Press (2010) ISBN 978-0-521-11673-2 Zbl 1210.51001 suggests that you are quite right. Richard Pinch (talk) 20:15, 13 December 2015 (CET)

**How to Cite This Entry:**

Groupoid.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Groupoid&oldid=36923