A group is a set together with an associative operation which admits an identity element and such that every element has an inverse. Throughout the article, we use to denote the identity element of a group.
A group is a set together with an associative operation which admits an identity element and such that every element has an inverse. Throughout the article, we use to denote the identity element of a group. (en)
A group is a set together with an associative operation which admits an identity element and such that every element has an inverse. Throughout the article, we use to denote the identity element of a group. (en)