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 |
|