Closure Operators of Lattice-valued Propositional Logic LP(X)
Department of Mathematics, Ocean University of China, Qingdao 266071, China; College of Computer and Information Engineering, Henan University, Kaifeng 475001, China; .Intelligent Control Development Center, Southwest Jiaotong University, Chengdu 610031, China
WANG Xue-fang, ZHENG Feng-bin, XU Yang . Closure Operators of Lattice-valued Propositional Logic LP(X)[J]. Chinese Quarterly Journal of Mathematics, 2005, 20(3): 301-308.