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Set theory

Known as: Ordinary set theory, Abstract set theory, Set 
Set theory is a branch of mathematical logic that studies sets, which informally are collections of objects. Although any type of object can be… 
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Papers overview

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Highly Cited
2020
Highly Cited
2020
Fuzzy set theory was developed specifically to deal with uncertainties that are not statistical in nature (Zadeh 1965). The… 
Highly Cited
2016
Highly Cited
2016
Thank you for downloading classical descriptive set theory. Maybe you have knowledge that, people have search numerous times for… 
Review
2008
Review
2008
  • Su Gao
  • 2008
  • Corpus ID: 117032914
Preface Polish Group Actions Preliminaries Polish spaces The universal Urysohn space Borel sets and Borel functions Standard… 
Highly Cited
1999
Highly Cited
1999
Highly Cited
1998
Highly Cited
1998
This paper gives basic ideas of rough set theory a new approach to data analysis. The lower and upper approximation of a set, the… 
Highly Cited
1995
Highly Cited
1995
Fuzzy Sets and Fuzzy Logic is a true magnum opus. An enlargement of Fuzzy Sets, Uncertainty, and Information—an earlier work of… 
Highly Cited
1995
Highly Cited
1995
Rough set theory, introduced by Zdzislaw Pawlak in the early 1980s [11, 12], is a new mathematical tool to deal with vagueness… 
Highly Cited
1985
Highly Cited
1985
Fuzzy Set Theory - And Its Applications, Third Edition is a textbook for courses in fuzzy set theory. It can also be used as an… 
Highly Cited
1980
Highly Cited
1980
Descriptive Set Theory is the study of sets in separable, complete metric spaces that can be defined (or constructed), and so can… 
Highly Cited
1980
Highly Cited
1980
1 A set and its members • A set is a collection of objects. • The objects in a set are called its elements or members. • If x is…