A comment on Incomplete fuzzy linguistic preference relations under uncertain environments

In this comment, we first propose some new results on triangular fuzzy numbers. The results show that some definitions and the proof process of propositions proposed by Wang and Chen (2010, 2008) [2,1] do not hold in general cases. We then present reasonable definitions and re-prove the propositions. (C) 2014 Elsevier B.V. All rights reserved.