Logic — math, philosophy & computational aspects » Blog Archive ...
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Jueves, 21 de Enero de 2010 09:34
Fac. de Ciencias UNAM Mexico Tel. 622-48-68. Have you any dreams you'd like to sell ? -Stevie Nicks-. - Hide quoted text — Show quoted text -. On Mon, 13 Oct 1997, Paul Merriam wrote: > The set-theoretic axiom of extensionality ...
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