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试说“除非”的用法及其逻辑意义
引用本文:葛润林. 试说“除非”的用法及其逻辑意义[J]. 商丘师范学院学报, 2001, 17(5): 84-86
作者姓名:葛润林
作者单位:商丘师范学院,河南,商丘,476000
摘    要:“除非”的用法有三类八式。A类是判断;B类是推理;B1、B2是两种完整形式的推理,B3、B4是省略式,B5、B6是换位、换质;C类是证明。这八种用法,只有从逻辑上来划分,才能理解;否则,就会产生认识上的偏差。

关 键 词:语言 逻辑 “除非“ 逻辑意义
文章编号:1008-2662(2001)05-0084-03
修稿时间:2000-12-03

On the Usage and the Logical Meaning of the Term "Unless"
GE Run-lin. On the Usage and the Logical Meaning of the Term "Unless"[J]. Journal of Shangqiu Teachers College, 2001, 17(5): 84-86
Authors:GE Run-lin
Abstract:Abstract : There are three categories and eight types in the usage of the term " unless." Categony A is judger-ment, category B infe rence, category C proof. Category B contains six types.-Bj and 62 are two intact reasoning, B3 and B4 alliptic type, B5 and B6 contrapositions. Only classified logically, can this eight kinds of proofs be under stood. Otherwise, they may be misundertood.
Keywords:Key wrods : language  logic  unless  logical meaning  
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