Question 355217
First generate the truth table, then you can pick out the answer from the row. 
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r       p       q      -r      -p      -q    -r v -q    (-r v -p) v –q
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T      	T	T	F	F	F	F                 F
T	T	F	F	F	T	F                 T
T	F	T	F	T	F	T                 T
T	F	F	F	T	T	T                 T
F	T	T	T	F	F	T                 T
F	T	F	T	F	T	T                 T
F	F	T	T	T	F	T                 T
F	F	F	T	T	T	T                 T

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