The (almost really) Complete Works of Lewis Carroll

Given

1. If some a are b and some not, some c are not d;
2. If some e are f, and if some g are h, some j are k;
3. If all l are m, no n are p;
4. If some c are d and some not, some g are h;
5. If no e are f, and if some n are p, some j are not k;
6. If some e are not f, and if some g are not h, some n are p;
7. If some c are not d, and if some j are k, no e are f;
8. If some g are not h, and if some j are not k, some l are m;
9. If some e are not f, and if some n are p, some a are not b;
10. If some a are b, and if some c are d, some g are not h;
11. If some c are not d, and if some l are not m, some e are f:

To Prove

[N.B. Copies of this paper may be had by applying to Messrs. Parker, Broad Street.]