Step |
Hyp |
Ref |
Expression |
1 |
|
po0 |
|
2 |
|
snprc |
|
3 |
|
poeq2 |
|
4 |
2 3
|
sylbi |
|
5 |
1 4
|
mpbiri |
|
6 |
5
|
adantl |
|
7 |
|
brrelex1 |
|
8 |
7
|
stoic1a |
|
9 |
6 8
|
2thd |
|
10 |
9
|
ex |
|
11 |
|
df-po |
|
12 |
|
breq2 |
|
13 |
12
|
anbi2d |
|
14 |
|
breq2 |
|
15 |
13 14
|
imbi12d |
|
16 |
15
|
anbi2d |
|
17 |
16
|
ralsng |
|
18 |
17
|
ralbidv |
|
19 |
|
simpl |
|
20 |
|
breq2 |
|
21 |
19 20
|
syl5ib |
|
22 |
21
|
biantrud |
|
23 |
22
|
bicomd |
|
24 |
23
|
ralsng |
|
25 |
18 24
|
bitrd |
|
26 |
25
|
ralbidv |
|
27 |
|
breq12 |
|
28 |
27
|
anidms |
|
29 |
28
|
notbid |
|
30 |
29
|
ralsng |
|
31 |
26 30
|
bitrd |
|
32 |
11 31
|
syl5bb |
|
33 |
10 32
|
pm2.61d2 |
|