On Fri, Sep 17, 2010 at 10:59 AM, Mark Roberts <m...@robertstech.com> wrote: > Bob W wrote: > >>Russell's Lightroom paradox: is the collection of all collections, a >>collection?
No, it is a Collection Set. > Can I make Lightroom show the set of all collections that do not > contain themselves? It is mathematically impossible. Breaks the assumption of identity in the definition of a set. See "Set Theory 1". -- Godfrey godfreydigiorgi.posterous.com -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
