biconditional and logical equivalence

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  1. dmkoslicki
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Really perfect explanation, I asked my teacher why we would want to use to different symbols for two things that looked the same to me and he was clearly unable to give a clear answer, but you succeeded.

Karim-nqbe
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My discrete math textbook says that logical equivalence is not a logical operation(or logical connective) while biconditional is a logical operation. The statement 'p is logically equivalent to q' is the statement that 'the biconditional p <-> q is a a tautology'. A biconditional can be either true or false while a tautology is always true.

phandinhthanh