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bn:01081942n
Noun Named Entity
AR
No term available
EN
In group theory, a branch of mathematics, the Nielsen–Schreier theorem states that every subgroup of a free group is itself free. Wikipedia
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Sources
IS A
مبرهنة
PART OF
نظرية الزمر
NAMED AFTER
Otto Schreier
جاكوب نيلسن
STUDIED BY
نظرية التصنيف

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