- preclosure
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n.
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Universalium. 2010.
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Universalium. 2010.
Preclosure operator — In topology, a preclosure operator, or Čech closure operator is a map between subsets of a set, similar to a topological closure operator, except that it is not required to be idempotent. That is, a preclosure operator obeys only three of the… … Wikipedia
preclosure — n … Useful english dictionary
Pretopological space — In general topology, a pretopological space is a generalization of the concept of topological space. A pretopological space can be defined as in terms of either filters or a preclosure operator.Let X be a set. A neighborhood system for a… … Wikipedia
Kuratowski closure axioms — In topology and related branches of mathematics, the Kuratowski closure axioms are a set of axioms which can be used to define a topological structure on a set. They are equivalent to the more commonly used open set definition. They were first… … Wikipedia
Löwenheim–Skolem theorem — In mathematical logic, the Löwenheim–Skolem theorem, named for Leopold Löwenheim and Thoralf Skolem, states that if a countable first order theory has an infinite model, then for every infinite cardinal number κ it has a model of size κ. The… … Wikipedia
Metric (mathematics) — In mathematics, a metric or distance function is a function which defines a distance between elements of a set. A set with a metric is called a metric space. A metric induces a topology on a set but not all topologies can be generated by a metric … Wikipedia
List of mathematics articles (P) — NOTOC P P = NP problem P adic analysis P adic number P adic order P compact group P group P² irreducible P Laplacian P matrix P rep P value P vector P y method Pacific Journal of Mathematics Package merge algorithm Packed storage matrix Packing… … Wikipedia
Samin K. Sharma — Dr. Samin K. Sharma is a U.S. interventional cardiologist holding the American record for the highest number of complex coronary interventions performed annually, along with the highest angioplasty success rate in New York State. [… … Wikipedia
Annapoorna Kini — Annapoorna Kini, M.D., is an American cardiologist and an Associate Professor of Cardiology at Mount Sinai School of Medicine in New York City.She is co author (with Dr. Samin K. Sharma) of Coronary artherectomy: Contemporary concepts in… … Wikipedia
анализ безопасности систем перед выводом ядерного реактора из эксплуатации — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN preclosure systems safety analysisPSSA … Справочник технического переводчика