Reductio ad absurdum

In the aftermath of the London bombings, Great Britain is adding new groups to the list of those banned in the country. Anyone associated with one of these groups faces a prison term of up to 10 years.

Of course, any organization added to the list can appeal to both the Home Secretary and to the courts. However, anyone making such an appeal would be, by definition, associated with such a group, and would hence face a prison term of up to 10 years.

Of course, a representative of this person could file an appeal. However, . . .