Step |
Hyp |
Ref |
Expression |
1 |
|
rdglim |
|
2 |
|
dfima3 |
|
3 |
|
df-rex |
|
4 |
|
limord |
|
5 |
|
ordelord |
|
6 |
5
|
ex |
|
7 |
|
vex |
|
8 |
7
|
elon |
|
9 |
6 8
|
syl6ibr |
|
10 |
4 9
|
syl |
|
11 |
|
eqcom |
|
12 |
|
rdgfnon |
|
13 |
|
fnopfvb |
|
14 |
12 13
|
mpan |
|
15 |
11 14
|
syl5bb |
|
16 |
10 15
|
syl6 |
|
17 |
16
|
pm5.32d |
|
18 |
17
|
exbidv |
|
19 |
3 18
|
bitr2id |
|
20 |
19
|
abbidv |
|
21 |
2 20
|
eqtrid |
|
22 |
21
|
unieqd |
|
23 |
22
|
adantl |
|
24 |
1 23
|
eqtrd |
|