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vikingblood vikingblood
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2 weeks ago
Consider "Since no tuna fish is a shark, no non-shark is a non-tuna fish." This inference, drawn by contraposition, is

▸ valid

▸ not valid

▸ valid by limitation
Textbook 

How to Think Logically


Edition: 2nd
Authors:
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chanelfargesenchanelfargesen
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Thanks
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