| Step |
Hyp |
Ref |
Expression |
| 1 |
|
axgroth4 |
|
| 2 |
|
3anass |
|
| 3 |
|
df-ss |
|
| 4 |
|
elin |
|
| 5 |
3 4
|
imbi12i |
|
| 6 |
5
|
albii |
|
| 7 |
6
|
rexbii |
|
| 8 |
|
df-rex |
|
| 9 |
7 8
|
bitri |
|
| 10 |
9
|
ralbii |
|
| 11 |
|
df-ral |
|
| 12 |
10 11
|
bitri |
|
| 13 |
|
df-ss |
|
| 14 |
|
vex |
|
| 15 |
14
|
difexi |
|
| 16 |
|
vex |
|
| 17 |
|
disjdifr |
|
| 18 |
15 16 17
|
brdom6disj |
|
| 19 |
18
|
orbi1i |
|
| 20 |
|
19.44v |
|
| 21 |
19 20
|
bitr4i |
|
| 22 |
13 21
|
imbi12i |
|
| 23 |
|
19.35 |
|
| 24 |
22 23
|
bitr4i |
|
| 25 |
|
grothprimlem |
|
| 26 |
25
|
mobii |
|
| 27 |
|
df-mo |
|
| 28 |
26 27
|
bitri |
|
| 29 |
28
|
ralbii |
|
| 30 |
|
df-ral |
|
| 31 |
29 30
|
bitri |
|
| 32 |
|
df-ral |
|
| 33 |
|
eldif |
|
| 34 |
|
grothprimlem |
|
| 35 |
34
|
rexbii |
|
| 36 |
|
df-rex |
|
| 37 |
35 36
|
bitri |
|
| 38 |
33 37
|
imbi12i |
|
| 39 |
|
pm5.6 |
|
| 40 |
38 39
|
bitri |
|
| 41 |
40
|
albii |
|
| 42 |
32 41
|
bitri |
|
| 43 |
31 42
|
anbi12i |
|
| 44 |
|
19.26 |
|
| 45 |
43 44
|
bitr4i |
|
| 46 |
45
|
orbi1i |
|
| 47 |
46
|
imbi2i |
|
| 48 |
47
|
exbii |
|
| 49 |
24 48
|
bitri |
|
| 50 |
49
|
albii |
|
| 51 |
12 50
|
anbi12i |
|
| 52 |
|
19.26 |
|
| 53 |
51 52
|
bitr4i |
|
| 54 |
53
|
anbi2i |
|
| 55 |
2 54
|
bitri |
|
| 56 |
55
|
exbii |
|
| 57 |
1 56
|
mpbi |
|