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OpenStudy (anonymous):
If a → b is true, then ~a → b is also true. True or False?
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OpenStudy (anonymous):
False? Thats what I would say. Thats and approximate sign next to the a correct?
OpenStudy (anonymous):
I guess it would be false if I used that set up for a hypothesis-conclusion sentence. If it is not raining, I will take my umbrella. <-- doesn't make sense, so I think you're right. Thank you!
OpenStudy (anonymous):
Yep
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