Orlovsky's concept of decision-making with fuzzy preference relation—Further results
Fuzzy Sets and Systems
On choosing rationally when preferences are fuzzy
Fuzzy Sets and Systems
Rational choice under fuzzy preferences: the Orlovsky choice function
Fuzzy Sets and Systems
Fuzzy preference and Orlovsky choice procedure
Fuzzy Sets and Systems
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In this paper we characterize the threshold choice functions associated with comparison functions (= reciprocal fuzzy relations), a special of which is the Orlovsky choice function (with threshold ½). Our family of threshold choice functions is somewhat larger than the family of choice functions which select only those alternatives that secure a certain pre-specified proportion of the votes against all other alternatives. Our family of threshold choice functions also include ones which select only those alternatives that exceed a certain pre-specified proportion of the votes against all other alternatives. This is the price we pay for omitting continuity from our axiomatic characterizations.