Abstract: Number of Disciplines and Theories changed their status from status of Natural Science discipline to
Mathematics. The Theory of Probability is the classical example of that kind. The main privilege of the new Math
status is the conception of Math truth, which distinguishes Math from other theories. Some disciplines used in
Applications pretended to be Math not really being it. It is entirely true of Fuzzy Subsets Theory with its pretension
to be Math and to be exclusive tools in uncertainty handling. Fundamental pretensions of classical Fuzzy subset
theory including pretension to be math as well as some gaps in the theory are discussed in the article.
Statistical interpretation of membership functions is proposed. It is proved that such interpretation takes place for
practically all supporters with minimal constraints on it. Namely, a supporter must be a space with a measure.
Proposed interpretation explains modification of classical fuzzy objects to fill the gaps. It is then possible to talk
about observations of fuzzy subset within the conception of modification and to extend likelihood method to the
new area. Fuzzy likelihood equation is adduced as an example of new possibilities within the proposed approach.
One more interpretation for the Fuzzy subset theory is proposed for a discussion: multiset theory.
Keywords: f Uncertainty, Plural model of uncertainty, Fuzzy subsets Theory, statistical interpretation of the
membership function, modification of Fuzzy subsets, Fuzzy likelihood equation, Multiset theory.
ACM Classification Keywords: G.2.m. Discrete mathematics: miscellaneous,G.2.1 Combinatorics. G.3
Probability and statistics, G.1.6. Numerical analysis I.5.1.Pattern Recognition: Models Fuzzy sets; H.1.m. Models
and Principles: miscellaneous:
Link:
FUZZY SETS: MATH, APPLIED MATH, HEURISTICS? PROBLEMS AND INTERPRETATIONS
Volodymyr Donchenko
http://foibg.com/ibs_isc/ibs-23/ibs-23-p07.pdf