[[!redirects Leinster_2]] ###Reference Details### +-- cite key : Leinster_2 title : An informal introduction to topos theory author : Leinster, T. eprint : <http://arxiv.org/abs/1012.5647v1> mrclass : math.CT note : arXiv:1012.5647v1; 24 pages url : <http://arxiv.org/abs/1012.5647v1> arxiv : [1012.5647](http://www.arxiv.org/abs/1012.5647) refbase : [1821](http://www.math.ntnu.no/~stacey/RefBase/show.php?record=1821) =-- {: .bibliography} --- category: category theory