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It is heartening to be able to end a textbook that has no prerequisites with a problem that has not yet been solved. - Irving Copi
" "It is heartening to be able to end a textbook that has no prerequisites with a problem that has not yet been solved.
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About Irving Copi
Irving Marmer Copi (July 28, 1917 – August 19, 2002) was an American philosopher, author and logician.
Also Known As
Alternative Names:
Irving M. Copi
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Irving Marmer Copi