Categories Mathematics { 3 n : n ε Z } is an abelian group under Post author By esimpk Post date June 16, 2021 No Comments on { 3 n : n ε Z } is an abelian group under subtraction division multiplication addition ← { – 3 n : n ε Z } IS an abelian group under → {X | x ε N Ʌ x < 1} is the Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.