Some basic notions of fuzzy logic for trapezoidal fuzzy numbers are extended. Purpose of these extensions is to give a generalized model of judgment and preference aggregation by using trapezoidal fuzzy numbers. Examples are given to illustrate the proposed technique to optimize the problem by avoiding paradoxical outcomes without the…

In his article "The Causal Structure of the World" (2010), Wesley Salmon observes that the work contained in the Reichenbach´s famous paper of 1925 broke the grund for a development that flourishes today. Reichenbach´s main concerns in "The Causal Structure of the World and the Difference Between Past and Future"…