Home›Browse›projection🌐EnglishEnglishDeutschEspañolPortuguês中文日本語EntityQ7249440· pop 7· linked from 30 articlesprojectionSign in to savean operation in set theory that maps elements in a set to elements from another setAvailable in 7 languagesEspañolDeutsch日本語CzechGreekUkrainianvia Wikidata sitelinks · CC0