Step |
Hyp |
Ref |
Expression |
1 |
|
restlly.1 |
|
2 |
|
nllytop |
|
3 |
2
|
adantl |
|
4 |
|
nlly2i |
|
5 |
4
|
3adant1l |
|
6 |
|
simprl |
|
7 |
|
simprr2 |
|
8 |
|
simplr |
|
9 |
8
|
elpwid |
|
10 |
7 9
|
sstrd |
|
11 |
|
velpw |
|
12 |
10 11
|
sylibr |
|
13 |
6 12
|
elind |
|
14 |
|
simprr1 |
|
15 |
|
simpll1 |
|
16 |
15 2
|
simpl2im |
|
17 |
|
restabs |
|
18 |
16 7 8 17
|
syl3anc |
|
19 |
|
df-ss |
|
20 |
7 19
|
sylib |
|
21 |
|
elrestr |
|
22 |
16 8 6 21
|
syl3anc |
|
23 |
20 22
|
eqeltrrd |
|
24 |
|
eleq2 |
|
25 |
|
oveq1 |
|
26 |
25
|
eleq1d |
|
27 |
24 26
|
imbi12d |
|
28 |
15
|
simpld |
|
29 |
1
|
expr |
|
30 |
29
|
ralrimiva |
|
31 |
28 30
|
syl |
|
32 |
|
simprr3 |
|
33 |
27 31 32
|
rspcdva |
|
34 |
23 33
|
mpd |
|
35 |
18 34
|
eqeltrrd |
|
36 |
13 14 35
|
jca32 |
|
37 |
36
|
ex |
|
38 |
37
|
reximdv2 |
|
39 |
38
|
rexlimdva |
|
40 |
5 39
|
mpd |
|
41 |
40
|
3expb |
|
42 |
41
|
ralrimivva |
|
43 |
|
islly |
|
44 |
3 42 43
|
sylanbrc |
|
45 |
44
|
ex |
|
46 |
45
|
ssrdv |
|
47 |
|
llyssnlly |
|
48 |
47
|
a1i |
|
49 |
46 48
|
eqssd |
|