Solution to Using a Truth table, determine the value of the compound proposition ((𝑝 ∨ π‘ž) ∧ … - Sikademy
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Archangel Macsika

Using a Truth table, determine the value of the compound proposition ((𝑝 ∨ π‘ž) ∧ (ᅭ𝑝 ∨ π‘Ÿ)) β†’ (π‘ž ∨ π‘Ÿ).

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First, remember the truth tables for basic logical operations :




Before constructing a truth table for the specified expression, we will define a sequence of logical operations. We will denote by numbers from above operations.



\left(\left(p\lor^{(1)} q\right)\land^{(4)}\left(\neg p\lor^{(2)} r\right)\right)\longrightarrow^{(5)}\left(q\lor^{(3)} r\right)

Now we can construct a truth table for the specified expression.





Q.E.D.


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