Peircers,
Peirce's discussion of universes of discourse with
a limited number of marks helps to throw a bit of
light on the hoary old question of natural kinds
versus arbitrary or artificial kinds.
See the following excerpts and comments below:
2nd World Congress on Logic and Religion
University of Warsaw, Poland, June 18-22, 2017
Invited Speakers:
Dov Gabbay (London/Jerusalem)
Michael Heller (Templeton Prize, Kraków)
Laurent Lafforgue (Fields Medal, IHES, Paris)
John Searle (UC Berkeley)
Yuhan Sohrab-Dinshaw Vevaina (U. Toronto)
Jan
On 1/19/2017 10:19 AM, John F Sowa wrote:
consider the following sentence:
"I think that Tom believes Superman is real, but
Mary knows he's just a character in a story."
This sentence would have four UoDs: (1) the world that includes
Tom, Mary, and me; (2) the UoD of my thought;
Kirsti, List:
Just to clarify, Alan is my middle name; I go by Jon.
What makes you think that I am missing that "crucial aspect"? I provided
this quote very early in the thread.
But here it is necessary to distinguish between an individual in the sense
of that which has no generality and which
