Step |
Hyp |
Ref |
Expression |
1 |
|
sprval |
|
2 |
1
|
abeq2d |
|
3 |
2
|
anbi1d |
|
4 |
|
r19.41vv |
|
5 |
|
fveqeq2 |
|
6 |
|
hashprg |
|
7 |
6
|
el2v |
|
8 |
5 7
|
bitr4di |
|
9 |
8
|
pm5.32i |
|
10 |
9
|
biancomi |
|
11 |
10
|
a1i |
|
12 |
11
|
2rexbidva |
|
13 |
4 12
|
bitr3id |
|
14 |
3 13
|
bitrd |
|
15 |
14
|
abbidv |
|
16 |
|
df-rab |
|
17 |
16
|
a1i |
|
18 |
|
prprval |
|
19 |
15 17 18
|
3eqtr4rd |
|
20 |
|
rab0 |
|
21 |
20
|
a1i |
|
22 |
|
fvprc |
|
23 |
22
|
rabeqdv |
|
24 |
|
fvprc |
|
25 |
21 23 24
|
3eqtr4rd |
|
26 |
19 25
|
pm2.61i |
|