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: http://intersci.ss.uci.edu/wiki/index.php/Limited_Mark_Universes#Document_History 2001 • Ontology List • Inquiry Into Symbolization 0. http://web.archive.org/web/20070320034430/http://suo.ieee.org/ontology/thrd46.html#03201 1. http://web.archive.org/web/20081204194050/http://suo.ieee.org/ontology/msg03201.html 2. http://web.archive.org/web/20081204194631/http://suo.ieee.org/ontology/msg03202.html 3. http://web.archive.org/web/20080906121059/http://suo.ieee.org/ontology/msg03204.html 4. http://web.archive.org/web/20081011051100/http://suo.ieee.org/ontology/msg03234.html 2003 • Inquiry List • Limited Mark Universes=== 0. http://web.archive.org/web/20150302021003/http://stderr.org/pipermail/inquiry/2003-April/thread.html#403 1. http://web.archive.org/web/20140902230000/http://stderr.org/pipermail/inquiry/2003-April/000403.html 2. http://web.archive.org/web/20140902230001/http://stderr.org/pipermail/inquiry/2003-April/000404.html 3. http://web.archive.org/web/20070316093327/http://stderr.org/pipermail/inquiry/2003-April/000406.html 4. http://web.archive.org/web/20070306142455/http://stderr.org/pipermail/inquiry/2003-April/000407.html Regards, Jon -- academia: http://independent.academia.edu/JonAwbrey my word press blog: http://inquiryintoinquiry.com/ isw: http://intersci.ss.uci.edu/wiki/index.php/JLA oeiswiki: http://www.oeis.org/wiki/User:Jon_Awbrey facebook page: https://www.facebook.com/JonnyCache
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