期刊
COMPUTERS & MATHEMATICS WITH APPLICATIONS
卷 45, 期 4-5, 页码 555-562出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0898-1221(03)00016-6
关键词
soft set; predicate of a soft set; approximation; approximate value set; soft complement function; NOT set; null soft set; absolute soft set; soft subset; soft super set
In this paper, the authors study the theory of soft sets initiated by Molodtsov. The authors define equality of two soft sets, subset and super set of a soft set, complement of a soft set, null soft set, and absolute soft set with examples. Soft binary operations like AND, OR and also the operations of union, intersection are defined. De Morgan's laws and a number of results are verified in soft set theory. (C) 2003 Elsevier Science Ltd. All rights reserved.
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