🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiРусский한국어中文日本語EntityQ18192682· pop 9sufficient conditioncondition that guarantees that another statement holdsAvailable in 9 languagesEspañolFrançaisDeutsch中文日本語РусскийHebrewPolskivia Wikidata sitelinks · CC0Connectionsnecessity and sufficiencyEntity