===== Induced magma power set magma ===== ==== Set ==== | @#55CCEE: context | @#55CCEE: $\langle\!\langle M,* \rangle\!\rangle$ ... magma | | @#FFBB00: definiendum | @#FFBB00: $\langle\!\langle {\mathcal P}M,\star \rangle\!\rangle$ | | @#FF9944: definition | @#FF9944: $\star\in$ binary operation on ${\mathcal P}M$ | | @#FF9944: definition | @#FF9944: $S\star T:=\{x*y\ |\ x\in S, y\in T\}$ | ----- === Discussion === When talking about left cosets etc., people write $xS$ for $\{x\}S$. === Reference === Wikipedia: [[http://en.wikipedia.org/wiki/Magma_%28algebra%29|Magma]] ----- === Subset of === [[Magma]] === Requirements* === [[Magma]]