| Step |
Hyp |
Ref |
Expression |
| 1 |
|
axacndlem5 |
|
| 2 |
|
nfnae |
|
| 3 |
|
nfnae |
|
| 4 |
|
nfnae |
|
| 5 |
2 3 4
|
nf3an |
|
| 6 |
|
nfnae |
|
| 7 |
|
nfnae |
|
| 8 |
|
nfnae |
|
| 9 |
6 7 8
|
nf3an |
|
| 10 |
|
nfnae |
|
| 11 |
|
nfnae |
|
| 12 |
|
nfnae |
|
| 13 |
10 11 12
|
nf3an |
|
| 14 |
|
nfcvf |
|
| 15 |
14
|
3ad2ant2 |
|
| 16 |
|
nfcvd |
|
| 17 |
15 16
|
nfeld |
|
| 18 |
|
nfcvf |
|
| 19 |
18
|
3ad2ant3 |
|
| 20 |
16 19
|
nfeld |
|
| 21 |
17 20
|
nfand |
|
| 22 |
5 21
|
nfald |
|
| 23 |
|
nfnae |
|
| 24 |
|
nfnae |
|
| 25 |
|
nfnae |
|
| 26 |
23 24 25
|
nf3an |
|
| 27 |
15 19
|
nfeld |
|
| 28 |
|
nfcvf |
|
| 29 |
28
|
3ad2ant1 |
|
| 30 |
19 29
|
nfeld |
|
| 31 |
27 30
|
nfand |
|
| 32 |
21 31
|
nfand |
|
| 33 |
26 32
|
nfexd |
|
| 34 |
15 19
|
nfeqd |
|
| 35 |
33 34
|
nfbid |
|
| 36 |
9 35
|
nfald |
|
| 37 |
26 36
|
nfexd |
|
| 38 |
22 37
|
nfimd |
|
| 39 |
|
nfcvd |
|
| 40 |
|
nfcvf2 |
|
| 41 |
40
|
3ad2ant1 |
|
| 42 |
39 41
|
nfeqd |
|
| 43 |
5 42
|
nfan1 |
|
| 44 |
|
simpr |
|
| 45 |
44
|
eleq2d |
|
| 46 |
44
|
eleq1d |
|
| 47 |
45 46
|
anbi12d |
|
| 48 |
43 47
|
albid |
|
| 49 |
|
nfcvd |
|
| 50 |
|
nfcvf2 |
|
| 51 |
50
|
3ad2ant3 |
|
| 52 |
49 51
|
nfeqd |
|
| 53 |
26 52
|
nfan1 |
|
| 54 |
|
nfcvd |
|
| 55 |
|
nfcvf2 |
|
| 56 |
55
|
3ad2ant2 |
|
| 57 |
54 56
|
nfeqd |
|
| 58 |
9 57
|
nfan1 |
|
| 59 |
47
|
anbi1d |
|
| 60 |
53 59
|
exbid |
|
| 61 |
60
|
bibi1d |
|
| 62 |
58 61
|
albid |
|
| 63 |
53 62
|
exbid |
|
| 64 |
48 63
|
imbi12d |
|
| 65 |
64
|
ex |
|
| 66 |
13 38 65
|
cbvald |
|
| 67 |
9 66
|
albid |
|
| 68 |
5 67
|
exbid |
|
| 69 |
1 68
|
mpbii |
|
| 70 |
69
|
3exp |
|
| 71 |
|
axacndlem2 |
|
| 72 |
71
|
aecoms |
|
| 73 |
|
axacndlem3 |
|
| 74 |
73
|
aecoms |
|
| 75 |
|
nfae |
|
| 76 |
|
simpr |
|
| 77 |
76
|
alimi |
|
| 78 |
|
nd3 |
|
| 79 |
78
|
pm2.21d |
|
| 80 |
77 79
|
syl5 |
|
| 81 |
80
|
axc4i |
|
| 82 |
75 81
|
alrimi |
|
| 83 |
82
|
19.8ad |
|
| 84 |
70 72 74 83
|
pm2.61iii |
|