- perfect set
-
A set which is equal to its set of limit points. That is, a set A is perfect if .
The Cantor set is perfect.
Wikipedia foundation.
perfect set
Look at other dictionaries:
Perfect set property — In descriptive set theory, a subset of a Polish space has the perfect set property if it is either countable or has a nonempty perfect subset.As nonempty perfect sets in a Polish space always have the cardinality of the continuum, a set with the… … Wikipedia
Perfect (disambiguation) — Perfect may refer to: * Perfection, a philosophical concept * Perfection (law), a legal concept * Perfect aspect, a grammatical concept * Perfect, a Cathar priestIn mathematics: * Perfect number * Perfect group * Perfect set * Perfect graphIn… … Wikipedia
perfect# — perfect adj Perfect, whole, entire, intact are comparable when they mean not deficient, defective, or faulty in any particular. Perfect is the usual term to describe such a condition, for it may imply not only the presence of every part, every… … New Dictionary of Synonyms
Set theory — This article is about the branch of mathematics. For musical set theory, see Set theory (music). A Venn diagram illustrating the intersection of two sets. Set theory is the branch of mathematics that studies sets, which are collections of objects … Wikipedia
perfect — 1 adjective 1 of the very best possible kind or standard: It s a perfect day for a picnic | a perfect example of Gothic architecture | a perfect marriage | the perfect crime (=one in which the criminal is never discovered): There is no such thing … Longman dictionary of contemporary English
perfect — I. adjective Etymology: Middle English parfit, from Anglo French, from Latin perfectus, from past participle of perficere to carry out, perfect, from per thoroughly + facere to make, do more at do Date: 14th century 1. a. being entirely without… … New Collegiate Dictionary
Perfect Dark (series) — Perfect Dark The original Perfect Dark logo Genres First person shooter, stealth, action … Wikipedia
Perfect Dark Zero — North American box art Developer(s) Rare Publisher(s) … Wikipedia
Perfect Strangers (TV series) — Perfect Strangers Perfect Strangers opening title from seasons 3 8. Format Sitcom Created by Dale McRaven … Wikipedia
Perfect Day — is a song written by Lou Reed in 1972. Its fame was given a boost in the 1990s when it was featured in the 1996 film Trainspotting , and after its release as a charity single in 1997.The song was originally featured on the 1972 album Transformer … Wikipedia
