| Step |
Hyp |
Ref |
Expression |
| 1 |
|
dihlsprn.h |
|
| 2 |
|
dihlsprn.u |
|
| 3 |
|
dihlsprn.v |
|
| 4 |
|
dihlsprn.n |
|
| 5 |
|
dihlsprn.i |
|
| 6 |
|
simpr |
|
| 7 |
6
|
sneqd |
|
| 8 |
7
|
fveq2d |
|
| 9 |
|
simpll |
|
| 10 |
1 2 9
|
dvhlmod |
|
| 11 |
|
eqid |
|
| 12 |
11 4
|
lspsn0 |
|
| 13 |
10 12
|
syl |
|
| 14 |
8 13
|
eqtrd |
|
| 15 |
1 5 2 11
|
dih0rn |
|
| 16 |
15
|
ad2antrr |
|
| 17 |
14 16
|
eqeltrd |
|
| 18 |
|
simpll |
|
| 19 |
1 2 18
|
dvhlmod |
|
| 20 |
|
simplr |
|
| 21 |
|
simpr |
|
| 22 |
|
eqid |
|
| 23 |
3 4 11 22
|
lsatlspsn2 |
|
| 24 |
19 20 21 23
|
syl3anc |
|
| 25 |
1 2 5 22
|
dih1dimat |
|
| 26 |
18 24 25
|
syl2anc |
|
| 27 |
17 26
|
pm2.61dane |
|