TMUA-P2-ARG4-018 — Paper P2 · Negation · Level 3

Options

1. A
   Either ($x \le 0$ or $y \le 0$) or $z>0$.
2. B
   ($x>0$ and $y>0$) and $z>0$.
3. C
   If ($x>0$ and $y>0$) then $z>0$.
4. D
   ($x \le 0$ or $y \le 0$) and $z>0$.

Letters only — the answer key is hidden. Work it out, then check the solution below.

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