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gslwong gslwong
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A year ago
By applying the rule MP to “~ (A ∙ ~ D) ⊃ (~B v A), ~ (A ∙ ~ D)?” we can deduce

▸ ~B v A

▸ ~B ∙ A

▸ A ∙ ~D
Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
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BAGrinderBAGrinder
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A year ago
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This calls for a celebration Person Raising Both Hands in Celebration
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You make an excellent tutor!
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this is exactly what I needed
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