Theaimofthisbookistoshowthattheprobabilisticformalismsofclassicalstatisticalmechanicsandquantummechanicscanbeunifiedonthebasisofageneralcontextualprobabilisticmodel.Bytakingintoaccountthedependenceof(classical)probabilitiesoncontexts(i.e.complexesofphysicalconditions),onecanreproduce