## The Giry tricocycloid

### Richard Garner – 7 March 2018

In arXiv:1607.02790, Bart Jacobs expresses in a fancy way the process of turning a subprobability distribution (i.e., total measure is <=1) into a probability distribution (total measure 1). We make the result even more fancy by explaining it in terms of an abelian tricocycloid in the category of sets.

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