changeset 58889 | 5b7a9633cfa8 |
parent 58310 | 91ea607a34d8 |
58888:9537bf1c4853 | 58889:5b7a9633cfa8 |
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3 Copyright 1995 University of Cambridge |
3 Copyright 1995 University of Cambridge |
4 |
4 |
5 Binary trees |
5 Binary trees |
6 *) |
6 *) |
7 |
7 |
8 header {* Binary trees *} |
8 section {* Binary trees *} |
9 |
9 |
10 theory BT imports Main begin |
10 theory BT imports Main begin |
11 |
11 |
12 datatype 'a bt = |
12 datatype 'a bt = |
13 Lf |
13 Lf |