| Step |
Hyp |
Ref |
Expression |
| 1 |
|
diclss.l |
|
| 2 |
|
diclss.a |
|
| 3 |
|
diclss.h |
|
| 4 |
|
diclss.u |
|
| 5 |
|
diclss.i |
|
| 6 |
|
diclss.s |
|
| 7 |
|
eqidd |
|
| 8 |
|
eqid |
|
| 9 |
|
eqid |
|
| 10 |
|
eqid |
|
| 11 |
3 8 4 9 10
|
dvhbase |
|
| 12 |
11
|
eqcomd |
|
| 13 |
12
|
adantr |
|
| 14 |
|
eqid |
|
| 15 |
|
eqid |
|
| 16 |
3 14 8 4 15
|
dvhvbase |
|
| 17 |
16
|
eqcomd |
|
| 18 |
17
|
adantr |
|
| 19 |
|
eqidd |
|
| 20 |
|
eqidd |
|
| 21 |
6
|
a1i |
|
| 22 |
1 2 3 5 4 15
|
dicssdvh |
|
| 23 |
22 18
|
sseqtrrd |
|
| 24 |
1 2 3 5
|
dicn0 |
|
| 25 |
|
simpll |
|
| 26 |
|
simplr |
|
| 27 |
|
simpr1 |
|
| 28 |
|
simpr2 |
|
| 29 |
|
eqid |
|
| 30 |
1 2 3 8 4 5 29
|
dicvscacl |
|
| 31 |
25 26 27 28 30
|
syl112anc |
|
| 32 |
|
simpr3 |
|
| 33 |
|
eqid |
|
| 34 |
1 2 3 4 5 33
|
dicvaddcl |
|
| 35 |
25 26 31 32 34
|
syl112anc |
|
| 36 |
7 13 18 19 20 21 23 24 35
|
islssd |
|