Wyznacz wszystkie podzbiory zbioru A. A=[ala,as,osa,ul]

[latex]mbox{A}={mbox{ala,as,osa,ul}}\\ emptyset, {mbox{ala,as,osa,ul}}, {mbox{ala}},{mbox{as}}, {mbox{osa}}, {mbox{ul}}, {mbox{ala,as}}, {mbox{ala,osa}}, {mbox{ala,ul}}, \\ {mbox{ala,as,osa}},{mbox{ala,as,ul}}, {mbox{ala,osa,ul}}, {mbox{as,osa}},{mbox{as,ul}},{mbox{as,osa,ul}},\\{mbox{osa,ul}}[/latex]