Soft set theory is a newly emerging mathematical tool to deal with uncertain problems. In this paper, by introducing a generalization parameter, which itself is trapezoidal fuzzy, we define generalized trapezoidal fuzzy soft sets and then study some of their properties. Finally, applications of generalized trapezoidal fuzzy soft sets in a decision making problem and medical diagnosis problem are shown.
"Generalized Trapezoidal Fuzzy Soft Set and Its Application in Medical Diagnosis." J. Appl. Math. 2014 1 - 12, 2014. https://doi.org/10.1155/2014/312069