Which of the following is wrong?

• A

  $\mathrm{p}\vee ~\mathrm{p}$ a tautology

• B

  $~(~\mathrm{p})\leftrightarrow \mathrm{p}$ is a tautology

• C

  $\mathrm{p}\wedge ~\mathrm{p}$ is a contradiction

• D

  $\left(\right(\mathrm{p}\wedge \mathrm{q})\to \mathrm{q})\to \mathrm{p}$ is a tautology