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Home Q & A Board Humanities Religion and Philosophy
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James Paul James Paul
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2 years ago
Consider "Since some trumpets are not guitars, some guitars are not trumpets." 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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bruce2710bruce2710
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2 years ago
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James Paul Author
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2 years ago
This calls for a celebration Person Raising Both Hands in Celebration
yen
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Yesterday
Helped a lot
Chaldoren
wrote...

2 hours ago
Good timing, thanks!
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