🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsРусский中文日本語EntityQ2112502· pop 9· linked from 23 articlesprojective objectobject 𝑃 in an abelian category such that hom(𝑃,–) is an exact functor to the category of abelian groupsAvailable in 9 languagesFrançaisDeutsch中文日本語РусскийPortuguêsGreekUkrainianvia Wikidata sitelinks · CC0ConnectionscategoryEntityInternational Standard Book NumberEntityCategoriesHarv and Sfn no-target errorsHomological algebraObjects (category theory)