Step |
Hyp |
Ref |
Expression |
1 |
|
simpl |
|
2 |
|
eleq1 |
|
3 |
|
prsssprel |
|
4 |
3
|
3exp |
|
5 |
4
|
com13 |
|
6 |
5
|
el2v |
|
7 |
2 6
|
syl6bi |
|
8 |
7
|
com12 |
|
9 |
8
|
rexlimiv |
|
10 |
9
|
com12 |
|
11 |
10
|
adantl |
|
12 |
11
|
imp |
|
13 |
12
|
simpld |
|
14 |
12
|
simprd |
|
15 |
1 1 13 14
|
opabex2 |
|
16 |
|
elopab |
|
17 |
9
|
adantl |
|
18 |
17
|
adantld |
|
19 |
18
|
imp |
|
20 |
|
eleq1 |
|
21 |
20
|
ad2antrr |
|
22 |
|
opelxp |
|
23 |
21 22
|
bitrdi |
|
24 |
19 23
|
mpbird |
|
25 |
24
|
ex |
|
26 |
25
|
exlimivv |
|
27 |
16 26
|
sylbi |
|
28 |
27
|
com12 |
|
29 |
28
|
ssrdv |
|
30 |
15 29
|
elpwd |
|
31 |
30
|
ex |
|
32 |
|
fvprc |
|
33 |
32
|
sseq2d |
|
34 |
|
ss0b |
|
35 |
33 34
|
bitrdi |
|
36 |
|
rex0 |
|
37 |
|
rexeq |
|
38 |
36 37
|
mtbiri |
|
39 |
38
|
alrimivv |
|
40 |
|
opab0 |
|
41 |
39 40
|
sylibr |
|
42 |
|
0elpw |
|
43 |
41 42
|
eqeltrdi |
|
44 |
35 43
|
syl6bi |
|
45 |
31 44
|
pm2.61i |
|