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In each of the following cases, determine whether the given individual sentence is consistent with the given set of sentences.
| a. |
{p ∨ q, p ∨ ¬q, ¬p ∨ q} and (¬p ∨ ¬q) |
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| b. |
{p ⇒ r, q ⇒ r, p ∨ q} and r |
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| c. |
{p ⇒ r, q ⇒ r, p ∨ q} and ¬r |
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| d. |
{p ⇒ q ∨ r, q ⇒ r} and p ∧ q |
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| e. |
{p ⇒ q ∨ r, q ⇒ r} and q ∧ r |
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