Step |
Hyp |
Ref |
Expression |
1 |
|
vex |
|
2 |
1
|
elpred |
|
3 |
2
|
elv |
|
4 |
|
simprl |
|
5 |
|
simpll2 |
|
6 |
5
|
adantr |
|
7 |
|
simprl |
|
8 |
7
|
adantr |
|
9 |
|
simpllr |
|
10 |
4 8 9
|
3jca |
|
11 |
6 10
|
jca |
|
12 |
|
simprr |
|
13 |
|
simplrr |
|
14 |
12 13
|
jca |
|
15 |
|
potr |
|
16 |
11 14 15
|
sylc |
|
17 |
4 16
|
jca |
|
18 |
17
|
ex |
|
19 |
|
vex |
|
20 |
19
|
elpred |
|
21 |
20
|
elv |
|
22 |
19
|
elpred |
|
23 |
22
|
elv |
|
24 |
18 21 23
|
3imtr4g |
|
25 |
24
|
ssrdv |
|
26 |
3 25
|
sylan2b |
|
27 |
26
|
ralrimiva |
|