Step |
Hyp |
Ref |
Expression |
1 |
|
cvmcov.1 |
|
2 |
1
|
cvmsi |
|
3 |
|
3anass |
|
4 |
|
id |
|
5 |
|
pwexg |
|
6 |
|
difexg |
|
7 |
|
rabexg |
|
8 |
5 6 7
|
3syl |
|
9 |
|
imaeq2 |
|
10 |
9
|
eqeq2d |
|
11 |
|
oveq2 |
|
12 |
11
|
oveq2d |
|
13 |
12
|
eleq2d |
|
14 |
13
|
anbi2d |
|
15 |
14
|
ralbidv |
|
16 |
10 15
|
anbi12d |
|
17 |
16
|
rabbidv |
|
18 |
17 1
|
fvmptg |
|
19 |
4 8 18
|
syl2anr |
|
20 |
19
|
eleq2d |
|
21 |
|
unieq |
|
22 |
21
|
eqeq1d |
|
23 |
|
difeq1 |
|
24 |
23
|
raleqdv |
|
25 |
24
|
anbi1d |
|
26 |
25
|
raleqbi1dv |
|
27 |
22 26
|
anbi12d |
|
28 |
27
|
elrab |
|
29 |
|
eldifsn |
|
30 |
|
elpw2g |
|
31 |
30
|
adantr |
|
32 |
31
|
anbi1d |
|
33 |
29 32
|
syl5bb |
|
34 |
33
|
anbi1d |
|
35 |
28 34
|
syl5bb |
|
36 |
20 35
|
bitrd |
|
37 |
36
|
biimprd |
|
38 |
37
|
expimpd |
|
39 |
3 38
|
syl5bi |
|
40 |
2 39
|
impbid2 |
|