Step |
Hyp |
Ref |
Expression |
1 |
|
oldval |
|
2 |
1
|
eleq2d |
|
3 |
|
eluni |
|
4 |
|
madef |
|
5 |
|
ffn |
|
6 |
4 5
|
ax-mp |
|
7 |
|
onss |
|
8 |
|
fvelimab |
|
9 |
6 7 8
|
sylancr |
|
10 |
9
|
anbi2d |
|
11 |
10
|
exbidv |
|
12 |
|
fvex |
|
13 |
12
|
clel3 |
|
14 |
13
|
rexbii |
|
15 |
|
rexcom4 |
|
16 |
|
eqcom |
|
17 |
16
|
anbi2ci |
|
18 |
17
|
rexbii |
|
19 |
|
r19.42v |
|
20 |
18 19
|
bitri |
|
21 |
20
|
exbii |
|
22 |
14 15 21
|
3bitrri |
|
23 |
11 22
|
bitrdi |
|
24 |
3 23
|
syl5bb |
|
25 |
2 24
|
bitrd |
|