Home›Coalgebras›上方集合🌐日本語EnglishEspañolFrançaisItalianoPortuguês한국어中文日本語EntityQ2528262· pop 11· linked from 119 articles上方集合Also known as upset, upward closed setsubset of a preordered set that includes all successors of its elementsAvailable in 11 languagesEspañolFrançais中文日本語PortuguêsItalianoCzechHebrewUkrainian한국어Connectionspartially ordered setEntitylatticeEntityCategoriesCoalgebrasOrder theorySet theory