| In the case of the I proposition the contrapositive is impossible, as infringing the main rule of conversion. |
| For a Disjunctive in I., of course, there is no contrapositive. |
| Every positive in thought has a contrapositive, and the positive and contrapositive are of the same kind. |
| The standard language may be pronounced with a regional accent and the contrapositive is usually correct. |
| The contrapositive of the inference is logically equivalent X simulates Y, X does not have P therefore Y does not where P is understands Chinese. |
| And you know also the contrapositive, that your being at place X entails that you are not then in a tank on Alpha Centauri. |
