Step |
Hyp |
Ref |
Expression |
1 |
|
caovdir.1 |
|
2 |
|
caovdir.2 |
|
3 |
|
caovdir.3 |
|
4 |
|
caovdir.com |
|
5 |
|
caovdir.distr |
|
6 |
|
caovdl.4 |
|
7 |
|
caovdl.5 |
|
8 |
|
caovdl.ass |
|
9 |
|
caovdl2.6 |
|
10 |
|
caovdl2.com |
|
11 |
|
caovdl2.ass |
|
12 |
|
ovex |
|
13 |
|
ovex |
|
14 |
|
ovex |
|
15 |
|
ovex |
|
16 |
12 13 14 10 11 15
|
caov42 |
|
17 |
1 2 3 4 5 6 7 8
|
caovdilem |
|
18 |
1 2 6 4 5 3 9 8
|
caovdilem |
|
19 |
17 18
|
oveq12i |
|
20 |
|
ovex |
|
21 |
|
ovex |
|
22 |
1 20 21 5
|
caovdi |
|
23 |
|
ovex |
|
24 |
|
ovex |
|
25 |
2 23 24 5
|
caovdi |
|
26 |
22 25
|
oveq12i |
|
27 |
16 19 26
|
3eqtr4i |
|