The powerSET of a SET S is the SET of possible subSETs of S, usually written PS. (1994-11-08)
In addition suitable contents: [ al ] [ at ] [ b ] [ bs ] [ er ] [ et ] [ h ] [ is ] [ it ] [ ly ] [ ma ] [ PS ] [ S ] [ se ] [ SET ] [ si ] [ su ] [ T ] [ th ] [ tt ] [ ua ] [ us ]
