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cassandra_dan cassandra_dan
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3 years 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

How to Think Logically


Edition: 2nd
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tulipfiascotulipfiasco
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cassandra_dan Author
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3 years ago
This helped my grade so much Perfect
lubennick
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Smart ... Thanks!
derya1234
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2 hours ago
this is exactly what I needed
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