Assertion: commutator | /r/HasProperty | elements of the form
Facets:
Source sentences:
text: I have been studying commutators and commutator subgroups, and I understand that commutators are elements of the form $xyx^{-1}y^{-1}$ for $x$ and $y$ in group $G$.
text: A commutator is an element of the form $aba^{^-1}b^{-1}$.