Step |
Hyp |
Ref |
Expression |
1 |
|
cmslsschl.x |
|
2 |
|
cmslsschl.s |
|
3 |
|
hlbn |
|
4 |
|
bnnvc |
|
5 |
3 4
|
syl |
|
6 |
5
|
3ad2ant1 |
|
7 |
|
eqid |
|
8 |
7
|
bnsca |
|
9 |
3 8
|
syl |
|
10 |
9
|
3ad2ant1 |
|
11 |
|
3simpc |
|
12 |
1 2
|
cmslssbn |
|
13 |
6 10 11 12
|
syl21anc |
|
14 |
|
hlcph |
|
15 |
1 2
|
cphsscph |
|
16 |
14 15
|
sylan |
|
17 |
16
|
3adant2 |
|
18 |
|
ishl |
|
19 |
13 17 18
|
sylanbrc |
|