axiom of multiple choice;
vector space;
projective module;
D O I:
10.1002/malq.200410018
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We show that the assertion that every vector space is a projective module implies the axiom of multiple choice and that the reverse implication does not hold in set theory weakened to permit the existence of atoms. (C) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.