🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةहिन्दी한국어中文日本語EntityQ1201815· pop 18· linked from 237 articlesnull setsubset of a measure space that is contained in a measurable set of measure zeroAvailable in 18 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoहिन्दीCatalanChuvashConnectionsconvergence of random variablesEntitycountable setEntityCategoriesMeasure theorySet theory