［1］ Mas M, Monserrat M, Torrens J, et al. A Survey on Fuzzy Implication Functions. IEEE Trans on Fuzzy Systems, 2007, 15(6): 1107-1121
［2］ Mas M, Monserrat M, Torrens J. Modus Ponens and Modus Tollens in Discrete Implications. International Journal of Approximate Reasoning, 2008, 49 (2): 422-435
［3］ Trillas E, Alsina C, Renedo E, et al. On ContraSymmetry and MPT Conditionality in Fuzzy Logic. International Journal of Intelligent Systems, 2005, 20(3): 313-326
［4］ Baczynski M, Jayaram B. Fuzzy Implications. Berlin, Germany: Springer, 2008
［5］ Wang G J. On the Logic Foundation of Fuzzy Reasoning. Information Sciences, 1999, 117 (1/2): 47-88
［6］ Zadeh L A. Fuzzy Sets. Information and Control, 1965, 8(3): 338-353
［7］ Atanassov K T. Intuitionistic Fuzzy Sets. Fuzzy Sets and Systems, 1986, 20(1): 87-96
［8］ Pawlak Z. Rough Sets. International Journal of Computer and Information Sciences, 1982, 11(5): 341-356
［9］ Hájek P. Metamathematics of Fuzzy Logic. Dordrecht, the Netherlands: Kluwer Academic Publishers, 1998
［10］ Pan Z H. A New Cognition and Processing on Contradictory Knowledge // Proc of the IEEE International Conference on Machine Learning and Cybernetics. Dalian, China, 2006, III: 1532-1537
［11］ Wagner G. Web Rules Need Two Kinds of Negation // Proc of the International Workshop on Principles and Practice of Semantic Web Reasoning. Mumbai, India, 2003: 33-50
［12］ Ferré S. Negation, Opposition, and Possibility in Logical Concept Analysis // Proc of the 4th International Conference on Formal Concept Analysis. Dresden, Germany, 2006: 130-145
［13］ Kaneiwa K. Description Logics with Contraries, Contradictories, and Subcontraries. New Generation Computing, 2007, 25(4): 443-468
［14］ Pan Z H. A Logic Description on Different Negation Relation in Knowledge // Proc of the 4th International Conference on Intelligent Computing. Shanghai, China, 2008: 815-823
［15］ Pan Z H, Wang C, Zhang L J. Three Kinds of Negations in Fuzzy Knowledge and Their Applications to Decision Making in Financial Investment // Proc of the 2nd International Conference on Computational Collective Intelligence： Technologies and Applications. Gaoxiong, China, 2010， II: 391-401
［16］ Pan Z H, Yang L, Xu J. Fuzzy Set with Three Kinds of Negations and Its Applications in Fuzzy Decision Making // Proc of the 3rd International Conference on Artificial Intelligence and Computational Intelligence. Taiyuan, China, 2011, I: 533-542
［17］ Pan Z H. Three Kinds of Negation of Fuzzy Knowledge and Their Base of Set. Chinese Journal of Computers, 2012, 35(7): 1421-1428 (in Chinese) (潘正华.模糊知识的三种否定及其集合基础.计算机学报, 2012, 35(7): 1421-1428)
［18］ Pan Z H. Three Kinds of Negation of Fuzzy Knowledge and Their Base of Logic // Proc of the 9th International Conference on Intelligent Computing Theories and Technology. Nanning, China, 2013: 83-93