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  3. 3 equivalences a show that p r v q...

Question: 3 equivalences a show that p r v q...

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3. Equivalences a) Show that (p → r) V (q → r) Is logically equivalent to (p Л q) → r by writing (one common truth table for both of these formulas, and checking that the columns for (p )V(r and for (pAq)r are the same. (b) Now, show that they are equivalent by applying logical equivalences from the table in lab 1 to both of them until you get the same expression. Hint: remember that A- B-AVB.

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