Here is PDF of a lecture he gave on the topic http://www.sns.ias.edu/pitp2/2012files/Probabilistic_Logics.pdf http://www.sns.ias.edu/pitp2/2012files/Probabilist

Here is PDF of a lecture he gave on the topic http://www.sns.ias.edu/pitp2/2012files/Probabilistic_Logics.pdf http://www.sns.ias.edu/pitp2/2012files/Probabilistic_Logics....