Step |
Hyp |
Ref |
Expression |
1 |
|
lbsind2.j |
|
2 |
|
lbsind2.n |
|
3 |
|
lbsind2.f |
|
4 |
|
lbsind2.o |
|
5 |
|
lbsind2.z |
|
6 |
|
lbspss.v |
|
7 |
|
pssnel |
|
8 |
7
|
3ad2ant3 |
|
9 |
|
simpl2 |
|
10 |
6 1
|
lbsss |
|
11 |
9 10
|
syl |
|
12 |
|
simprl |
|
13 |
11 12
|
sseldd |
|
14 |
|
simpl1l |
|
15 |
11
|
ssdifssd |
|
16 |
|
simpl3 |
|
17 |
16
|
pssssd |
|
18 |
17
|
sseld |
|
19 |
|
simprr |
|
20 |
|
eleq1w |
|
21 |
20
|
notbid |
|
22 |
19 21
|
syl5ibrcom |
|
23 |
22
|
necon2ad |
|
24 |
18 23
|
jcad |
|
25 |
|
eldifsn |
|
26 |
24 25
|
syl6ibr |
|
27 |
26
|
ssrdv |
|
28 |
6 2
|
lspss |
|
29 |
14 15 27 28
|
syl3anc |
|
30 |
|
simpl1r |
|
31 |
1 2 3 4 5
|
lbsind2 |
|
32 |
14 30 9 12 31
|
syl211anc |
|
33 |
29 32
|
ssneldd |
|
34 |
|
nelne1 |
|
35 |
13 33 34
|
syl2anc |
|
36 |
35
|
necomd |
|
37 |
8 36
|
exlimddv |
|