Operations on Soft Sets Revisited

The concept of soft sets introduced by Molodtsov is a general mathematical tool for dealing with uncertainty. Just as the conventional set-theoretic operations of intersection, union, complement, and difference, some corresponding operations on soft sets have been proposed. Unfortunately, such opera...

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Main Authors: Ping Zhu, Qiaoyan Wen
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Journal of Applied Mathematics
Online Access:http://dx.doi.org/10.1155/2013/105752
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author Ping Zhu
Qiaoyan Wen
author_facet Ping Zhu
Qiaoyan Wen
author_sort Ping Zhu
collection DOAJ
description The concept of soft sets introduced by Molodtsov is a general mathematical tool for dealing with uncertainty. Just as the conventional set-theoretic operations of intersection, union, complement, and difference, some corresponding operations on soft sets have been proposed. Unfortunately, such operations cannot keep all classical set-theoretic laws true for soft sets. In this paper, we redefine the intersection, complement, and difference of soft sets and investigate the algebraic properties of these operations along with a known union operation. We find that the new operation system on soft sets inherits all basic properties of operations on classical sets, which justifies our definitions.
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institution Kabale University
issn 1110-757X
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publishDate 2013-01-01
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spelling doaj-art-d823f500e92b4d3d8c2ac4df6f94ca522025-02-03T05:45:23ZengWileyJournal of Applied Mathematics1110-757X1687-00422013-01-01201310.1155/2013/105752105752Operations on Soft Sets RevisitedPing Zhu0Qiaoyan Wen1School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaState Key Laboratory of Networking and Switching, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaThe concept of soft sets introduced by Molodtsov is a general mathematical tool for dealing with uncertainty. Just as the conventional set-theoretic operations of intersection, union, complement, and difference, some corresponding operations on soft sets have been proposed. Unfortunately, such operations cannot keep all classical set-theoretic laws true for soft sets. In this paper, we redefine the intersection, complement, and difference of soft sets and investigate the algebraic properties of these operations along with a known union operation. We find that the new operation system on soft sets inherits all basic properties of operations on classical sets, which justifies our definitions.http://dx.doi.org/10.1155/2013/105752
spellingShingle Ping Zhu
Qiaoyan Wen
Operations on Soft Sets Revisited
Journal of Applied Mathematics
title Operations on Soft Sets Revisited
title_full Operations on Soft Sets Revisited
title_fullStr Operations on Soft Sets Revisited
title_full_unstemmed Operations on Soft Sets Revisited
title_short Operations on Soft Sets Revisited
title_sort operations on soft sets revisited
url http://dx.doi.org/10.1155/2013/105752
work_keys_str_mv AT pingzhu operationsonsoftsetsrevisited
AT qiaoyanwen operationsonsoftsetsrevisited