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OpenStudy (lgbasallote):
are *all* the rows of \((p \rightarrow q) \leftrightarrow (\neg q \rightarrow \neg p)\) true? just checking...
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OpenStudy (lgbasallote):
i figured since they are logical equivalents...then all the rows are true
OpenStudy (lgbasallote):
nevermind...it is all true
OpenStudy (cruffo):
agreed
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