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 |
|