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Home Q & A Board Humanities Religion and Philosophy
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schweet schweet
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A year ago
Consider "Since all whales are mammals, some mammals are whales." This inference, drawn by conversion, is

▸ valid

▸ not valid

▸ valid by limitation
Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
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hhortonhhorton
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A year ago
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schweet Author
wrote...

A year ago
Brilliant ツ
wyq2651
wrote...

Yesterday
this is exactly what I needed
annielin111
wrote...

2 hours ago
Good timing, thanks!
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