(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

[(p->r) ^ (q->r)] -> (p ^ q) -> r

2. Relevant equations

anything but a truth table! laws such as (p->q)= ~(p^~q) or (p->q)=(~q->~p) might help

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# Simplifying a logical equivalence statement without a truth table

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