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tmua.fyi Mock Paper 2 · Q4

Paper 2Logic & proof

Let xx and yy be real numbers. Consider statement P: ‘x+y>0x+y>0’, and statement Q: ‘x3+y3>0x^3+y^3>0’. Then Q is:

Anecessary but not sufficient for P.
Bsufficient but not necessary for P.
Cnecessary and sufficient for P.
Dneither necessary nor sufficient for P.

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