Step |
Hyp |
Ref |
Expression |
1 |
|
isvonmbl.1 |
|
2 |
1
|
dmvon |
|
3 |
2
|
eleq2d |
|
4 |
1
|
ovnome |
|
5 |
|
eqid |
|
6 |
4 5
|
caragenel |
|
7 |
|
elpwi |
|
8 |
7
|
adantl |
|
9 |
1
|
unidmovn |
|
10 |
9
|
adantr |
|
11 |
8 10
|
sseqtrd |
|
12 |
11
|
ex |
|
13 |
|
simpr |
|
14 |
9
|
eqcomd |
|
15 |
14
|
adantr |
|
16 |
13 15
|
sseqtrd |
|
17 |
|
ovex |
|
18 |
17
|
ssex |
|
19 |
|
elpwg |
|
20 |
18 19
|
syl |
|
21 |
20
|
adantl |
|
22 |
16 21
|
mpbird |
|
23 |
22
|
ex |
|
24 |
12 23
|
impbid |
|
25 |
9
|
pweqd |
|
26 |
|
raleq |
|
27 |
25 26
|
syl |
|
28 |
24 27
|
anbi12d |
|
29 |
3 6 28
|
3bitrd |
|