Step |
Hyp |
Ref |
Expression |
1 |
|
simpl |
|
2 |
1
|
supval2 |
|
3 |
|
simpr3 |
|
4 |
|
breq2 |
|
5 |
4
|
rspcev |
|
6 |
5
|
ex |
|
7 |
6
|
ralrimivw |
|
8 |
7
|
a1d |
|
9 |
8
|
anim2d |
|
10 |
9
|
rgen |
|
11 |
10
|
a1i |
|
12 |
|
soss |
|
13 |
3 1 12
|
sylc |
|
14 |
|
simpr1 |
|
15 |
|
simpr2 |
|
16 |
|
fisupg |
|
17 |
13 14 15 16
|
syl3anc |
|
18 |
|
fisup2g |
|
19 |
|
ssrexv |
|
20 |
3 18 19
|
sylc |
|
21 |
1 20
|
supeu |
|
22 |
|
riotass2 |
|
23 |
3 11 17 21 22
|
syl22anc |
|
24 |
13 17
|
supeu |
|
25 |
|
riotacl |
|
26 |
24 25
|
syl |
|
27 |
23 26
|
eqeltrrd |
|
28 |
2 27
|
eqeltrd |
|