On a finite basis problem for universal positive formulas

被引：2
|
作者：
Mashevitzky, G
机构：
来源：
ALGEBRA UNIVERSALIS | 1996年 / 35卷 / 01期
关键词：
D O I：
10.1007/BF01190973
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
A finite semigroup without a finite basis of collective identities has been constructed. A semigroup with a finite basis of identities, but without a finite basis of disjunctive identities has been constructed.
引用
收藏
页码：124 / 140
页数：17
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