5.1 WNDS: WinNT 5.1.2600 () [5.1.0.19991101] SntF C986651843802D986652129767C1013769195706D1013769788428 S9189 3 /x (Cube(x) & Large(x)) ; Some cubes are large. /x (Cube(x) $ Large(x)) ;There is something that is large if it a cube. /x (~Cube(x) | Large(x)) ;Something is either not a cube or large.