Step |
Hyp |
Ref |
Expression |
1 |
|
dihglblem5.b |
|
2 |
|
dihglblem5.g |
|
3 |
|
dihglblem5.h |
|
4 |
|
dihglblem5.u |
|
5 |
|
dihglblem5.i |
|
6 |
|
dihglblem5.s |
|
7 |
|
fvex |
|
8 |
7
|
dfiin2 |
|
9 |
|
simpl |
|
10 |
3 4 9
|
dvhlmod |
|
11 |
|
simpll |
|
12 |
|
simplrl |
|
13 |
|
simpr |
|
14 |
12 13
|
sseldd |
|
15 |
1 3 5 4 6
|
dihlss |
|
16 |
11 14 15
|
syl2anc |
|
17 |
16
|
ralrimiva |
|
18 |
|
uniiunlem |
|
19 |
17 18
|
syl |
|
20 |
17 19
|
mpbid |
|
21 |
|
simprr |
|
22 |
|
n0 |
|
23 |
21 22
|
sylib |
|
24 |
|
nfre1 |
|
25 |
24
|
nfab |
|
26 |
|
nfcv |
|
27 |
25 26
|
nfne |
|
28 |
7
|
elabrex |
|
29 |
28
|
ne0d |
|
30 |
27 29
|
exlimi |
|
31 |
23 30
|
syl |
|
32 |
6
|
lssintcl |
|
33 |
10 20 31 32
|
syl3anc |
|
34 |
8 33
|
eqeltrid |
|