countable collection

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• Countable set — Countable redirects here. For the linguistic concept, see Count noun. Not to be confused with (recursively) enumerable sets. In mathematics, a countable set is a set with the same cardinality (number of elements) as some subset of the set of… …   Wikipedia

• collection */*/*/ — UK [kəˈlekʃ(ə)n] / US noun Word forms collection : singular collection plural collections 1) [countable] a group of things a vast/extensive collection: a book borrowed from Jon s vast collection a) interesting or valuable objects that someone… …   English dictionary

• collection — Obtaining payment. American Banker Glossary The presentation of a negotiable instrument for payment, or the conversion of any accounts receivable into cash. Bloomberg Financial Dictionary * * * collection col‧lec‧tion [kəˈlekʆn] noun 1.… …   Financial and business terms

• Countable chain condition — See also: Forcing (set theory)#The countable chain condition In order theory, a partially ordered set X is said to satisfy the countable chain condition, or to be ccc, if every strong antichain in X is countable. There are really two conditions:… …   Wikipedia

• collection — noun 1 SET/GROUP a) (C) a set of similar things that are kept or brought together because they are attractive or interesting: a stamp collection (+ of): a magnificent collection of prehistoric tools b) (C) a group of things that are put together …   Longman dictionary of contemporary English

• collection plate — noun a shallow receptacle for collection in church • Syn: ↑plate • Hypernyms: ↑receptacle * * * noun : plate I 3e(1) * * * plate (def. 7). [1875 80] * * * …   Useful english dictionary

• collection box — 1. a box or other container used to collect offerings of money, esp. in a church. 2. mailbox (def. 1). * * * collection box UK US noun [countable] [singular collection box plural collection boxes] …   Useful english dictionary

• collection box — UK / US noun [countable] Word forms collection box : singular collection box plural collection boxes a container for money that is given to a charity …   English dictionary

• collection plate — UK / US noun [countable] Word forms collection plate : singular collection plate plural collection plates a dish used in church for collecting money …   English dictionary

• Locally finite collection — In the mathematical field of topology, local finiteness is a property of collections of subsets of a topological space. It is fundamental in the study of paracompactness and topological dimension. A collection of subsets of a topological space X… …   Wikipedia

• Second-countable space — In topology, a second countable space, also called a completely separable space, is a topological space satisfying the second axiom of countability. A space is said to be second countable if its topology has a countable base. More explicitly,… …   Wikipedia