Step |
Hyp |
Ref |
Expression |
1 |
|
bnj978.1 |
|
2 |
|
bnj978.2 |
|
3 |
1 2
|
sylbir |
|
4 |
3
|
gen2 |
|
5 |
|
bnj253 |
|
6 |
5
|
imbi1i |
|
7 |
6
|
2albii |
|
8 |
|
3impexp |
|
9 |
8
|
2albii |
|
10 |
|
19.21v |
|
11 |
|
19.21v |
|
12 |
11
|
imbi2i |
|
13 |
10 12
|
bitri |
|
14 |
13
|
albii |
|
15 |
|
19.21v |
|
16 |
|
df-ral |
|
17 |
16
|
bicomi |
|
18 |
17
|
imbi2i |
|
19 |
14 15 18
|
3bitri |
|
20 |
7 9 19
|
3bitri |
|
21 |
4 20
|
mpbi |
|
22 |
|
dfss2 |
|
23 |
22
|
ralbii |
|
24 |
21 23
|
sylibr |
|
25 |
|
df-bnj19 |
|
26 |
24 25
|
sylibr |
|