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Stream: learning: questions

Topic: n-th order believes about a matrix game

Jan Pax (Jan 15 2026 at 18:14):

Here I would like to understand on the page 350 why Sarah believes $[\frac{1}{5}s_{FF},\frac{4}{5}s_{FC}]$ from this sentence: His second-order beliefs are as
follows: he ascribes probability $\frac{2}{3}$ to the state of nature being $s_{CF}$ , in which case Sarah’s beliefs are $[\frac{1}{5}s_{FF},\frac{4}{5}s_{FC}]$

Nathanael Arkor (Jan 15 2026 at 18:52):

Is this a category theory question?