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cassandra_dan cassandra_dan
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A month ago
Consider "Since all tuna fish are sharks, all sharks are tuna fish." This inference, drawn by conversion, is

▸ valid

▸ not valid

▸ valid by limitation
Textbook 

How to Think Logically


Edition: 2nd
Authors:
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tulipfiascotulipfiasco
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A month ago
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not valid

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