Step |
Hyp |
Ref |
Expression |
1 |
|
bnj1189.1 |
|
2 |
|
bnj1189.2 |
|
3 |
|
bnj1189.3 |
|
4 |
|
n0 |
|
5 |
4
|
biimpi |
|
6 |
1 5
|
bnj837 |
|
7 |
6
|
ancli |
|
8 |
|
19.42v |
|
9 |
7 8
|
sylibr |
|
10 |
|
3simpc |
|
11 |
3
|
anbi2i |
|
12 |
10 11
|
sylib |
|
13 |
12
|
19.8ad |
|
14 |
|
df-rex |
|
15 |
13 14
|
sylibr |
|
16 |
15
|
3comr |
|
17 |
16
|
3expib |
|
18 |
|
simp1 |
|
19 |
|
simp2 |
|
20 |
|
rexnal |
|
21 |
20
|
bicomi |
|
22 |
21 3
|
xchnxbir |
|
23 |
|
notnotb |
|
24 |
23
|
rexbii |
|
25 |
22 24
|
bitr4i |
|
26 |
25
|
biimpi |
|
27 |
26
|
bnj1196 |
|
28 |
27
|
3ad2ant3 |
|
29 |
|
3anass |
|
30 |
29
|
exbii |
|
31 |
|
19.42v |
|
32 |
30 31
|
bitri |
|
33 |
19 28 32
|
sylanbrc |
|
34 |
33 2
|
bnj1198 |
|
35 |
|
19.42v |
|
36 |
18 34 35
|
sylanbrc |
|
37 |
1 2
|
bnj1190 |
|
38 |
36 37
|
bnj593 |
|
39 |
38
|
bnj937 |
|
40 |
39
|
bnj1185 |
|
41 |
40
|
3comr |
|
42 |
41
|
3expib |
|
43 |
17 42
|
pm2.61i |
|
44 |
9 43
|
bnj593 |
|
45 |
|
nfre1 |
|
46 |
45
|
19.9 |
|
47 |
44 46
|
sylib |
|