Step |
Hyp |
Ref |
Expression |
1 |
|
sprsymrelf.p |
|
2 |
|
sprsymrelf.r |
|
3 |
|
sprsymrelf.f |
|
4 |
|
sprsymrelfvlem |
|
5 |
|
prcom |
|
6 |
5
|
a1i |
|
7 |
6
|
eqeq2d |
|
8 |
7
|
rexbidva |
|
9 |
|
df-br |
|
10 |
|
opabidw |
|
11 |
9 10
|
bitri |
|
12 |
|
vex |
|
13 |
|
vex |
|
14 |
|
preq12 |
|
15 |
14
|
eqeq2d |
|
16 |
15
|
rexbidv |
|
17 |
|
preq12 |
|
18 |
17
|
eqeq2d |
|
19 |
18
|
rexbidv |
|
20 |
19
|
cbvopabv |
|
21 |
12 13 16 20
|
braba |
|
22 |
8 11 21
|
3bitr4g |
|
23 |
22
|
ralrimivva |
|
24 |
4 23
|
jca |
|
25 |
1
|
eleq2i |
|
26 |
|
vex |
|
27 |
26
|
elpw |
|
28 |
25 27
|
bitri |
|
29 |
|
nfopab1 |
|
30 |
29
|
nfeq2 |
|
31 |
|
nfopab2 |
|
32 |
31
|
nfeq2 |
|
33 |
|
breq |
|
34 |
|
breq |
|
35 |
33 34
|
bibi12d |
|
36 |
32 35
|
ralbid |
|
37 |
30 36
|
ralbid |
|
38 |
37
|
elrab |
|
39 |
24 28 38
|
3imtr4i |
|
40 |
39 2
|
eleqtrrdi |
|
41 |
3 40
|
fmpti |
|