Step |
Hyp |
Ref |
Expression |
1 |
|
3ccased.1 |
|
2 |
|
3ccased.2 |
|
3 |
|
3ccased.3 |
|
4 |
|
3ccased.4 |
|
5 |
|
3ccased.5 |
|
6 |
|
3ccased.6 |
|
7 |
|
3ccased.7 |
|
8 |
|
3ccased.8 |
|
9 |
|
3ccased.9 |
|
10 |
1
|
com12 |
|
11 |
2
|
com12 |
|
12 |
3
|
com12 |
|
13 |
10 11 12
|
3jaodan |
|
14 |
4
|
com12 |
|
15 |
5
|
com12 |
|
16 |
6
|
com12 |
|
17 |
14 15 16
|
3jaodan |
|
18 |
7
|
com12 |
|
19 |
8
|
com12 |
|
20 |
9
|
com12 |
|
21 |
18 19 20
|
3jaodan |
|
22 |
13 17 21
|
3jaoian |
|
23 |
22
|
com12 |
|