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Published online by Cambridge University Press: 18 May 2009
In [1], we showed how a collection of physical operations or experiments could be represented by a nonempty set of nonempty sets satisfying certain conditions (irredundancy and coherence) and we called such sets
. We also introduced “complete stochastic models” for the empirical universe of discourse represented by such a manual
, namely, the so-called weight functions for
. These weight functions form a convex set the extreme points of which are called pure weights. We also showed that there is a so-called logic ∏(
) affiliated with a manual
and that each weight function for
induces a state on this logic.