Step |
Hyp |
Ref |
Expression |
1 |
|
ov6g.1 |
|
2 |
|
ov6g.2 |
|
3 |
|
df-ov |
|
4 |
|
eqid |
|
5 |
|
biidd |
|
6 |
5
|
copsex2g |
|
7 |
4 6
|
mpbiri |
|
8 |
7
|
3adant3 |
|
9 |
8
|
adantr |
|
10 |
|
eqeq1 |
|
11 |
10
|
anbi1d |
|
12 |
1
|
eqeq2d |
|
13 |
12
|
eqcoms |
|
14 |
13
|
pm5.32i |
|
15 |
11 14
|
bitrdi |
|
16 |
15
|
2exbidv |
|
17 |
|
eqeq1 |
|
18 |
17
|
anbi2d |
|
19 |
18
|
2exbidv |
|
20 |
|
moeq |
|
21 |
20
|
mosubop |
|
22 |
21
|
a1i |
|
23 |
|
dfoprab2 |
|
24 |
|
eleq1 |
|
25 |
24
|
anbi1d |
|
26 |
25
|
pm5.32i |
|
27 |
|
an12 |
|
28 |
26 27
|
bitr3i |
|
29 |
28
|
2exbii |
|
30 |
|
19.42vv |
|
31 |
29 30
|
bitri |
|
32 |
31
|
opabbii |
|
33 |
2 23 32
|
3eqtri |
|
34 |
16 19 22 33
|
fvopab3ig |
|
35 |
34
|
3ad2antl3 |
|
36 |
9 35
|
mpd |
|
37 |
3 36
|
syl5eq |
|