non-commutativity in the brain (was: Plato/Chomsky/numbers, oh my)

[Ken Hanly]

I think so: Joan is the sister of John but John is not the
sister of Joan.
No? Must John be a transsexual?

   Cheers, ken hanly

Martin Schiller wrote:
> 
> Ken Hanly said on 4/3/00 7:37 PM
> 
> >If x is the sist er of y it does not follow that
> >y is the sister of x.
> 
> Are you sure?