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tawhid111 tawhid111
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Posts: 124
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A year ago
Consider "Since no train stations are crowded places, no crowded places are train stations." 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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DPhoenixDPhoenix
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A year ago
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