BPFK Section: Epistemology sumtcita
On Fri, Jun 03, 2005 at 04:31:56PM -0300, Jorge Llamb?as wrote:
> On 6/2/05, Arnt Richard Johansen <arj@nvg.org> wrote:
> > You are quantifying over all the entities in the universe,
> > unrestricted. Since there will always be non-swimming entities
> > (such as myself, or that book on my table), such a universal
> > claim will be false.
> >
> > Unless you want to invoke the concept of "universe of
> > discourse", but this is dubious, since AFAIK we don't have any
> > explicit way of picking out a universe of discourse.
>
> It seems to me that it is much easier to pick out a universe of
> discourse for a given discourse than have "all the entities in the
> universe" determined once and for all for every possible
> discourse. Who is going to decide what does and what does not
> count as such an "entity in the universe". I hope not the BPFK.
That was sort of my point about semantics being outside the scope of
the BPFK.
-Robin