Translate the propositions of the following sorites into standard form, and test the validity of each sorites.

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Translate the propositions of the following sorites into standard form, and test the validity of each sorites.


(1) None but writers are poets.
(2) Only military offi cers are astronauts.
(3) Whoever contributes to the new magazine is a poet.
(4) Nobody is both a military offi cer and a writer.
Therefore not one astronaut is a contributor to the new magazine.

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Introduction To Logic

ISBN: 9781138500860

15th Edition

Authors: Irving M. Copi, Carl Cohen, Victor Rodych

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