Abstract
In a recent paper in Fuzzy Sets and Systems, L.A. Zadeh has defined the concept of a conditional possibility distribution. In the present paper, we show that, in order to be consistent with the notion of noninteraction of fuzzy variables, the expression for conditional possibility distribution must be normalized. A comparison of the properties of conditional possibility and probability distributions is made, and an application to the optimization of a possibilistic finite-state system is outlined.
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