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mdensmore mdensmore
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A year ago
Consider "Since some magazines are not tabloids, some non-tabloids are not non-magazines." This inference, drawn by contraposition, is

▸ valid

▸ not valid

▸ valid by limitation.
Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
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latoya86latoya86
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A year ago
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mdensmore Author
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A year ago
You make an excellent tutor!
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Yesterday
Smart ... Thanks!
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2 hours ago
Just got PERFECT on my quiz
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