Step |
Hyp |
Ref |
Expression |
1 |
|
bnj1176.51 |
|
2 |
|
bnj1176.52 |
|
3 |
1 2
|
syl |
|
4 |
|
df-ral |
|
5 |
4
|
rexbii |
|
6 |
3 5
|
sylib |
|
7 |
|
df-rex |
|
8 |
6 7
|
sylib |
|
9 |
|
19.28v |
|
10 |
9
|
exbii |
|
11 |
8 10
|
sylibr |
|
12 |
|
19.37v |
|
13 |
11 12
|
mpbir |
|
14 |
|
19.21v |
|
15 |
14
|
exbii |
|
16 |
13 15
|
mpbir |
|
17 |
|
con2b |
|
18 |
17
|
anbi2i |
|
19 |
18
|
imbi2i |
|
20 |
19
|
albii |
|
21 |
20
|
exbii |
|
22 |
16 21
|
mpbi |
|
23 |
|
ax-1 |
|
24 |
23
|
anim2i |
|
25 |
24
|
imim2i |
|
26 |
25
|
alimi |
|
27 |
22 26
|
bnj101 |
|