Abstract   A counterexample is provided to illustrate the incorrectness of  I  0  in Rule 1 presented by Guo et al. [F.F. Guo, L.P. Pang, D. Meng, Z.Q. Xia. An algorithm for solving optimization problems with fuzzy relational inequality constraints, Information Sciences 252 (2013) 20-31]. In other words, (7b) and (7 b  * ) in the referenced paper above are not equivalent unless index set  I  0  is revised, since the definition of  I  0  in Rule 1 can only be correct when the constraints are fuzzy relational equations. And finally the correct of  I  0  is also presented in this note.
['Xue-Gang Zhou', 'Xiao-Peng Yang', 'Bing-yuan Cao']
Comment on “An algorithm for solving optimization problems with fuzzy relational inequality constraints”