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teyodani teyodani
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Assuming that "Since no astronaut is a sober traveler, all astronauts are sober travelers" has a true premise, use the traditional square of opposition to calculate the truth value of its conclusion.

▸ true,

▸ false

▸ undetermined.
Textbook 

How to Think Logically


Edition: 2nd
Authors:
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ttoe81ttoe81
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false

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