... CorporationAdvances in Difference EquationsVolume 2010, Article ID 196920, 19 pagesdoi:10.1155/2010/196920 Research Article On an Exponential-Type Fuzzy Difference EquationG. Stefanidou, G. Papaschinopoulos, ... thatGx ln1 − xx1 − x3.49is an increasing and positive function for 0 <x<1andsousing3.48,wegetthatKx is an increasing function for 0 <x<1/k. Since Ar,ais a positive, ... Sets: Theory and Application, World Scientific, RiverEdge, NJ, USA, 1994.33 H. Rom´ an- Flores, L. C. Barros, and R. C. Bassanezi, “A note on Zadeh’s extensions,” Fuzzy Sets andSystems, vol....