Step |
Hyp |
Ref |
Expression |
1 |
|
djh01.h |
|
2 |
|
djh01.u |
|
3 |
|
djh01.o |
|
4 |
|
djh01.i |
|
5 |
|
djh01.j |
|
6 |
|
djh01.k |
|
7 |
|
djh01.x |
|
8 |
|
eqid |
|
9 |
1 4 2 3
|
dih0rn |
|
10 |
6 9
|
syl |
|
11 |
8 1 4 5 6 7 10
|
djhjlj |
|
12 |
|
eqid |
|
13 |
1 12 4 2 3
|
dih0cnv |
|
14 |
6 13
|
syl |
|
15 |
14
|
oveq2d |
|
16 |
6
|
simpld |
|
17 |
|
hlol |
|
18 |
16 17
|
syl |
|
19 |
|
eqid |
|
20 |
19 1 4
|
dihcnvcl |
|
21 |
6 7 20
|
syl2anc |
|
22 |
19 8 12
|
olj01 |
|
23 |
18 21 22
|
syl2anc |
|
24 |
15 23
|
eqtrd |
|
25 |
24
|
fveq2d |
|
26 |
1 4
|
dihcnvid2 |
|
27 |
6 7 26
|
syl2anc |
|
28 |
11 25 27
|
3eqtrd |
|