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 |
|