Step |
Hyp |
Ref |
Expression |
1 |
|
dochcl.h |
|
2 |
|
dochcl.i |
|
3 |
|
dochcl.u |
|
4 |
|
dochcl.v |
|
5 |
|
dochcl.o |
|
6 |
|
eqid |
|
7 |
|
eqid |
|
8 |
|
eqid |
|
9 |
6 7 8 1 2 3 4 5
|
dochval |
|
10 |
|
hlop |
|
11 |
10
|
ad2antrr |
|
12 |
|
hlclat |
|
13 |
12
|
ad2antrr |
|
14 |
|
ssrab2 |
|
15 |
6 7
|
clatglbcl |
|
16 |
13 14 15
|
sylancl |
|
17 |
6 8
|
opoccl |
|
18 |
11 16 17
|
syl2anc |
|
19 |
6 1 2
|
dihcl |
|
20 |
18 19
|
syldan |
|
21 |
9 20
|
eqeltrd |
|