| Step |
Hyp |
Ref |
Expression |
| 1 |
|
axacndlem4 |
|
| 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 |
|
nfcvd |
|
| 15 |
|
nfcvf |
|
| 16 |
15
|
3ad2ant1 |
|
| 17 |
14 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 |
|
nfv |
|
| 28 |
14 19
|
nfeld |
|
| 29 |
|
nfcvf |
|
| 30 |
29
|
3ad2ant2 |
|
| 31 |
19 30
|
nfeld |
|
| 32 |
28 31
|
nfand |
|
| 33 |
21 32
|
nfand |
|
| 34 |
26 33
|
nfexd |
|
| 35 |
14 19
|
nfeqd |
|
| 36 |
34 35
|
nfbid |
|
| 37 |
27 36
|
nfald |
|
| 38 |
26 37
|
nfexd |
|
| 39 |
22 38
|
nfimd |
|
| 40 |
13 39
|
nfald |
|
| 41 |
|
nfcvd |
|
| 42 |
|
nfcvf2 |
|
| 43 |
42
|
3ad2ant1 |
|
| 44 |
41 43
|
nfeqd |
|
| 45 |
13 44
|
nfan1 |
|
| 46 |
|
nfcvd |
|
| 47 |
|
nfcvf2 |
|
| 48 |
47
|
3ad2ant2 |
|
| 49 |
46 48
|
nfeqd |
|
| 50 |
5 49
|
nfan1 |
|
| 51 |
|
simpr |
|
| 52 |
51
|
eleq1d |
|
| 53 |
52
|
anbi1d |
|
| 54 |
50 53
|
albid |
|
| 55 |
|
nfcvd |
|
| 56 |
|
nfcvf2 |
|
| 57 |
56
|
3ad2ant3 |
|
| 58 |
55 57
|
nfeqd |
|
| 59 |
26 58
|
nfan1 |
|
| 60 |
51
|
eleq1d |
|
| 61 |
60
|
anbi1d |
|
| 62 |
53 61
|
anbi12d |
|
| 63 |
59 62
|
exbid |
|
| 64 |
51
|
eqeq1d |
|
| 65 |
63 64
|
bibi12d |
|
| 66 |
65
|
ex |
|
| 67 |
9 36 66
|
cbvald |
|
| 68 |
26 67
|
exbid |
|
| 69 |
68
|
adantr |
|
| 70 |
54 69
|
imbi12d |
|
| 71 |
45 70
|
albid |
|
| 72 |
71
|
ex |
|
| 73 |
9 40 72
|
cbvald |
|
| 74 |
5 73
|
exbid |
|
| 75 |
1 74
|
mpbii |
|
| 76 |
75
|
3exp |
|
| 77 |
|
axacndlem3 |
|
| 78 |
|
axacndlem1 |
|
| 79 |
78
|
aecoms |
|
| 80 |
|
nfae |
|
| 81 |
|
en2lp |
|
| 82 |
|
elequ2 |
|
| 83 |
82
|
anbi2d |
|
| 84 |
81 83
|
mtbii |
|
| 85 |
84
|
sps |
|
| 86 |
85
|
pm2.21d |
|
| 87 |
86
|
spsd |
|
| 88 |
80 87
|
alrimi |
|
| 89 |
88
|
axc4i |
|
| 90 |
89
|
19.8ad |
|
| 91 |
76 77 79 90
|
pm2.61iii |
|