Set theory

Set theory is the mathematical theory of sets, which represent collections of abstract objects. It has a central role in modern mathematical theory, providing the basic language in which most of mathematics is expressed. For more information on set theory in Wikipedia, see:\n* Naive set theory is the original set theory developed by mathematicians at the end of the 19th century \n* Axiomatic set theory is a rigorous axiomatic theory developed in response to the discovery of serious flaws (such as Russell's Paradox) in naive set theory.\n* Various versions of logic have associated sorts of sets (such as fuzzy sets in fuzzy logic).\n* Musical set theory may be considered the application of mathematical set theory to music. Category:Set theory