Chan, Steven M.. Reason at work : introductory reading in philosophy / Steven M. Chan, Patricia Kitcher and George Sher. - San Diego : Harcourt Brace Jovanaovich , 1984. - vii,727p. : Ill. ; 25cm . NULL ISBN: 0155759906 NULL Subjects--Index Terms: PHILOSOHY Dewey Class. No.: 100 / CHA/R