“…Up to now, uncertainty theory has successfully been applied to uncertain programming (Liu [14], Liu and Chen [15]), uncertain risk analysis and uncertain reliability analysis (Liu [16]), uncertain logic (Liu [17]), uncertain differential equation (Liu [18], Yao and Chen [19]), uncertain graphs (Gao and Gao [20], Zhang and Peng [? ]), uncertain calculus (Liu [21]) and uncertain finance (Chen [22], Liu [21], Liu [23]), Omer Kisi ([24,25,26]).…”