Symmetric subset of a group
= Symmetric subset of a group
A subset $A$ of a multiplicatively written <group> is symmetric when it contains the <identity element> and $A^{-1}=A$. Consequently $\langle A\rangle=\bigcup_{m\geq1}A^m$.
= Symmetric subset of a group
A subset $A$ of a multiplicatively written <group> is symmetric when it contains the <identity element> and $A^{-1}=A$. Consequently $\langle A\rangle=\bigcup_{m\geq1}A^m$.