南京大学学报(自然科学版) ›› 2022, Vol. 58 ›› Issue (1): 1928.doi: 10.13232/j.cnki.jnju.2022.01.003
Xia Wang1,2(), Yuan Quan1, Junyu Li1,2, Weizhi Wu1,2
摘要:
三元概念的构造方法是三元概念分析的核心问题之一,当条件逐个增加时,研究三元概念的增量式构造方法.首先,详细分析增加一个新的条件后原三元背景中三元概念的变化以及新增加的条件对新背景的三元概念的影响.分别针对下述四种情况给出充分必要条件:(1)新添加的条件对原背景的三元概念不影响,它仍旧是新三元背景的三元概念;(2)原背景的三元概念被替换掉,它不再是新三元背景的三元概念,替换后的三元概念的外延和内涵与原来一致,但是方式增加了新的条件;(3)原背景的三元概念与新的条件共同生成一个新的三元概念;(4)新增加的条件不借助任何原背景的三元概念生成新的三元概念.在此基础上给出基于条件的三元概念的增量式构造算法.最后,通过实例阐明增量式方法生成三元概念的详细过程.
中图分类号:
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