> > > > for> > > > > > > > > > the> > > > > > > > > > limit of a sequence of sets.> >> > > > > > > > > By definition of A we know it is never empty.> >> > > > > > > > There is no such thing as an A but only an infinite sequence > > > > > > > > of> > > > > > > > differing A's, indexable by the infinite set of natural > > > > > > > > numbers,> >> > > > > > > In any case there is never an A = { }