Theory of Approximate Reasoning in Two-Valued Predicate Logic Based on the Quasi-truth Degrees

被引:2
|
作者
秦晓燕 [1 ,2 ]
刘军 [3 ]
徐扬 [1 ]
陈树伟 [3 ]
刘熠 [1 ]
机构
[1] Intelligent Control Development Center, Southwest Jiaotong University
[2] College of Mathematics and Computer Science, Shanxi Normal University
[3] School of Computing and Mathematics, University of Ulster
基金
中国国家自然科学基金;
关键词
approximate reasoning; pseudo-metric; quasi-truth degree; predicate logic;
D O I
10.19884/j.1672-5220.2012.01.006
中图分类号
O141 [数理逻辑(符号逻辑)];
学科分类号
010104 ; 010105 ; 070104 ;
摘要
Based on the theory of the quasi-truth degrees in two-valued predicate logic, some researches on approximate reasoning are studied in this paper. The relation of the pseudo-metric between first-order formulae and the quasi-truth degrees of first-order formulae is discussed, and it is proved that there is no isolated point in the logic metric space (F, ρ ). Thus the pseudo-metric between first-order formulae is well defined to develop the study about approximate reasoning in the logic metric space (F, ρ ). Then, three different types of approximate reasoning patterns are proposed, and their equivalence under some condition is proved. This work aims at filling in the blanks of approximate reasoning in quantitative predicate logic.
引用
收藏
页码:23 / 27
页数:5
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