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# Deriving statements using logical equivalences

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1. How do I derive (P implies (Q implies P))

The solution starts with (Q and ( not P)) and I don't know why
2. (Original post by Lunu)
How do I derive (P implies (Q implies P))

The solution starts with (Q and ( not P)) and I don't know why
Do you know that is defined as ?

Translate into these terms and see where you get.

Alternatively, write out the truth table.

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