Step |
Hyp |
Ref |
Expression |
1 |
|
fveq2 |
|
2 |
1
|
releqd |
|
3 |
2
|
imbi2d |
|
4 |
|
fveq2 |
|
5 |
4
|
releqd |
|
6 |
5
|
imbi2d |
|
7 |
|
fveq2 |
|
8 |
7
|
releqd |
|
9 |
8
|
imbi2d |
|
10 |
|
fveq2 |
|
11 |
10
|
releqd |
|
12 |
11
|
imbi2d |
|
13 |
|
relopab |
|
14 |
|
eqid |
|
15 |
14
|
satfv0 |
|
16 |
15
|
releqd |
|
17 |
13 16
|
mpbiri |
|
18 |
|
pm2.27 |
|
19 |
|
simpr |
|
20 |
|
relopab |
|
21 |
|
relun |
|
22 |
19 20 21
|
sylanblrc |
|
23 |
14
|
satfvsuc |
|
24 |
23
|
ad4ant123 |
|
25 |
24
|
releqd |
|
26 |
22 25
|
mpbird |
|
27 |
26
|
exp31 |
|
28 |
27
|
com23 |
|
29 |
18 28
|
syld |
|
30 |
29
|
com13 |
|
31 |
3 6 9 12 17 30
|
finds |
|
32 |
31
|
com12 |
|
33 |
32
|
3impia |
|