🌐EnglishEnglishEspañolFrançaisPortuguêsРусский中文日本語EntityQ5051853· pop 5· linked from 7 articlescategory of preordered setsAlso known as Ordconcept in set theoryAvailable in 5 languagesEspañolFrançais中文日本語via Wikidata sitelinks · CC0Connectionsinitial and terminal objectsEntitymathematicsEntityCategoriesCategories in category theory