A) roses are not red and the sun is not a star
B) it is not true that roses are red or the sun is not a star
C) it is not true that roses are red and the sun is not a star
D) roses are not red or the sun is a star
E) it is not true that roses are red and the sun is a star
Correct Answer: C
Solution :
p : roses are red q : the sun is a star \[\tilde{\ }p=\]roses are not red \[(\tilde{\ }p)\vee q=\]roses are not red or the sun is a star this sentence can also be written as, It is not true that roses are red or the sun is not a star but the first statement is most suitable.
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