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OpenStudy (anonymous):
Explain, without using a truth table, why(p∨¬q)∧ (q∨¬r)∧(r∨¬p)is true when p, q, and r have the same truth value and it is false otherwise
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OpenStudy (kc_kennylau):
Just confirming, does v mean "or" while ^ means "and"?
OpenStudy (anonymous):
Yes
OpenStudy (kc_kennylau):
So when p=q, p\(\ne\)¬q and one of p and ¬q must be 1, so pv¬q=1.
OpenStudy (kc_kennylau):
Okay sorry I have no idea
OpenStudy (anonymous):
Ok
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OpenStudy (kc_kennylau):
@hartnn
OpenStudy (kc_kennylau):
@Callisto
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