Eckmann-Hilton argument
= Eckmann-Hilton argument
{c}
{wiki=Eckmann–Hilton_argument}
If two unital operations on one set share their identity and satisfy $(a*b)\cdot(c*d)=(a\cdot c)*(b\cdot d)$, then the operations coincide and are commutative.
= Eckmann-Hilton argument
{c}
{wiki=Eckmann–Hilton_argument}
If two unital operations on one set share their identity and satisfy $(a*b)\cdot(c*d)=(a\cdot c)*(b\cdot d)$, then the operations coincide and are commutative.