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by Descartes, Rene
by Stich, Stephen; Donaldson, Tom
by Wolff, Jonathan
by Descartes, Rene; Cress, Donald A.
by Martin, Clancy; Hay, Carol
by Boethius, Anicius Manlius Severinus
by Lorraine Besser
by Descartes, Rene; Cottingham, John; Williams, Bernard
by Baggett, David; Baggett , Marybeth E.; Irwin, William
by Thomas Nagel