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On the 2 out of 3 lemma

 

作者: L. Hétheyl,   M. SzÖke,  

 

期刊: Communications in Algebra  （Taylor Available online 1999）
卷期: Volume 27, issue 6  

页码: 2547-2553

 

ISSN:0092-7872

 

年代: 1999

 

DOI:10.1080/00927879908826580

 

出版商: Gordon and Breach Science Publishers Ltd.

 

数据来源: Taylor

 

摘要:

In this paper, we examine the following question:do two conditions imply the third one in the '2 out of 3' Lemma (see e.g. Lemma 9.5 in [Alp86, p. 68])?We get a positive answer in two implications for p-nilpotent groups (Section 2) and give some counterexamples in case of soluble groups (see Section 3).

 

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