dbo:abstract |
Als club-Menge wird in der Mengenlehre eine Teilmenge einer Limesordinalzahl bezeichnet, die abgeschlossen und unbeschränkt (engl. closed und unbounded) ist. (de) In mathematics, particularly in mathematical logic and set theory, a club set is a subset of a limit ordinal that is closed under the order topology, and is unbounded (see below) relative to the limit ordinal. The name club is a contraction of "closed and unbounded". (en) En théorie des ensembles, une partie d'un ordinal limite est dite club (de l'anglais closed unbounded) si elle est fermée pour la topologie de l'ordre et non bornée. Les clubs sont des objets combinatoires importants en théorie des ensembles. (fr) club集合 (クラブしゅうごう) あるいは閉非有界集合は、極限順序数の部分集合のうち、の意味で閉であり、基準となっている極限順序数の中で非有界なものである。 club という名前は、closed (閉) と unbounded (非有界) の合成語である。 (ja) 數學中,尤其是數理邏輯和集合論中,閉無界集(英語:closed and unbounded set, club set)是极限序数的一類子集,其在該極限序數的序拓撲中為閉,且相對於該極限序數為無界(見)。 (zh) |
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Club (en) |
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rdfs:comment |
Als club-Menge wird in der Mengenlehre eine Teilmenge einer Limesordinalzahl bezeichnet, die abgeschlossen und unbeschränkt (engl. closed und unbounded) ist. (de) In mathematics, particularly in mathematical logic and set theory, a club set is a subset of a limit ordinal that is closed under the order topology, and is unbounded (see below) relative to the limit ordinal. The name club is a contraction of "closed and unbounded". (en) En théorie des ensembles, une partie d'un ordinal limite est dite club (de l'anglais closed unbounded) si elle est fermée pour la topologie de l'ordre et non bornée. Les clubs sont des objets combinatoires importants en théorie des ensembles. (fr) club集合 (クラブしゅうごう) あるいは閉非有界集合は、極限順序数の部分集合のうち、の意味で閉であり、基準となっている極限順序数の中で非有界なものである。 club という名前は、closed (閉) と unbounded (非有界) の合成語である。 (ja) 數學中,尤其是數理邏輯和集合論中,閉無界集(英語:closed and unbounded set, club set)是极限序数的一類子集,其在該極限序數的序拓撲中為閉,且相對於該極限序數為無界(見)。 (zh) |
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Club-Menge (de) Club set (en) Ensemble club (fr) Club集合 (ja) 閉無界集 (zh) |
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