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onetouch onetouch
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A year ago
Consider J ⊃ L, ~L .·. ~J. Is this argument valid or invalid? If the argument is valid, how would this be shown in the truth table for it?

▸ valid; 4th row

▸ invalid; 1st and 2nd rows

▸ valid; the truth table has no rows with all premises T and conclusion F
Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
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kamarie3kamarie3
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A year ago
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onetouch Author
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A year ago
Thank you, thank you, thank you!
TheMoffattMan
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Yesterday
Thanks
zsc999
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Brilliant ツ
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