OBYEK GRUP DAN OBYEK KOGRUP DARI SEBUAH KATEGORI

Puspita, Nikken Prima
Wijayanti, Indah Emilia
Susanti, Yeni

MATEMATIKA
Vol 13, No 2 (2010): JURNAL MATEMATIKA

. A category contained a classes of objects and morphism between  two object. For any chategory with initial object, terminal object, product and coproduct can defined a special object i.e group object and cogroup object. Object group obtained from cathegory object which have fulfil definition like definition a group. The cogroup object is dual from group object.