a method for selecting alternatives was suggested by Owen E.Rye of Rye Technical Services at the SAVE In. ternational Conference 1980.In accodance with the fact that all selected boundaries are fozzy boundaries
two models for selecting alternatives by means of the fuzzy set theory are proposed in this paper.One of them is given on the basis of the model for Solving multi-objective decision prob. lems.Which was introduced by R.R.Yager in 1977.