TMUA-P2-ARG2-007 — Paper P2 · Necessary and sufficient · Level 2

Options

1. A
   Each of $P$ and $Q$ is both necessary and sufficient for the other.
2. B
   $P$ is sufficient for $Q$ but $Q$ is not sufficient for $P$.
3. C
   $Q$ is necessary for $P$ but $P$ is not sufficient for $Q$.
4. D
   Neither is necessary or sufficient for the other.
5. E
   $P$ is necessary for $Q$ but not sufficient.

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

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