00100		Most of the above reasons for ascribing mental qualities  are
00200	consequences  of  the  basic  epistemological  fact that knowledge is
00300	partial, and a person's or machine's ability  to  reason  is  finite.
00400	Therefore,  we  need ways of expressing the knowledge it can get in a
00500	form  that  permits  drawing   conclusions   and   making   (partial)
00600	predictions.