| changeset 15140 | 322485b816ac |
| parent 15131 | c69542757a4d |
| child 17200 | 3a4d03d1a31b |
| 15139:58cd3404cf75 | 15140:322485b816ac |
|---|---|
3 *) |
3 *) |
4 |
4 |
5 header {* Permutations *} |
5 header {* Permutations *} |
6 |
6 |
7 theory Permutation |
7 theory Permutation |
8 import Multiset |
8 imports Multiset |
9 begin |
9 begin |
10 |
10 |
11 consts |
11 consts |
12 perm :: "('a list * 'a list) set" |
12 perm :: "('a list * 'a list) set" |
13 |
13 |