Set theory

From Citizendium
Revision as of 16:02, 17 June 2009 by imported>Howard C. Berkowitz (New page: '''Set theory''' is a branch of mathematics that deals with the grouping of objects into sets,<ref>{{citation | title = Set Theory | author = Felix Hausdorff | edition = 2nd | year = 1...)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Set theory is a branch of mathematics that deals with the grouping of objects into sets,[1] and a range of operations on those sets, such as functions, relations, union (set theory), and intersection (set theory).

References

  1. Felix Hausdorff (1957), Set Theory (2nd ed.), Chelsea Publishing