Step |
Hyp |
Ref |
Expression |
1 |
|
untelirr |
|
2 |
|
eluni2 |
|
3 |
|
vex |
|
4 |
|
sseq1 |
|
5 |
|
treq |
|
6 |
|
raleq |
|
7 |
4 5 6
|
3anbi123d |
|
8 |
3 7
|
elab |
|
9 |
|
elequ1 |
|
10 |
|
elequ2 |
|
11 |
9 10
|
bitrd |
|
12 |
11
|
notbid |
|
13 |
12
|
cbvralvw |
|
14 |
13
|
biimpi |
|
15 |
14
|
3ad2ant3 |
|
16 |
8 15
|
sylbi |
|
17 |
|
rsp |
|
18 |
16 17
|
syl |
|
19 |
18
|
rexlimiv |
|
20 |
2 19
|
sylbi |
|
21 |
1 20
|
mprg |
|
22 |
|
dfon2lem2 |
|
23 |
|
dfpss2 |
|
24 |
|
dfon2lem1 |
|
25 |
|
ssexg |
|
26 |
22 25
|
mpan |
|
27 |
|
psseq1 |
|
28 |
|
treq |
|
29 |
27 28
|
anbi12d |
|
30 |
|
eleq1 |
|
31 |
29 30
|
imbi12d |
|
32 |
31
|
spcgv |
|
33 |
32
|
imp |
|
34 |
26 33
|
sylan |
|
35 |
|
snssi |
|
36 |
|
unss |
|
37 |
|
df-suc |
|
38 |
37
|
sseq1i |
|
39 |
36 38
|
sylbb2 |
|
40 |
22 35 39
|
sylancr |
|
41 |
|
suctr |
|
42 |
24 41
|
ax-mp |
|
43 |
|
untuni |
|
44 |
43 16
|
mprgbir |
|
45 |
|
nfv |
|
46 |
|
nfv |
|
47 |
|
nfra1 |
|
48 |
45 46 47
|
nf3an |
|
49 |
48
|
nfab |
|
50 |
49
|
nfuni |
|
51 |
50
|
untsucf |
|
52 |
44 51
|
ax-mp |
|
53 |
|
sseq1 |
|
54 |
|
treq |
|
55 |
|
nfcv |
|
56 |
50
|
nfsuc |
|
57 |
55 56
|
raleqf |
|
58 |
53 54 57
|
3anbi123d |
|
59 |
|
sseq1 |
|
60 |
|
treq |
|
61 |
|
raleq |
|
62 |
59 60 61
|
3anbi123d |
|
63 |
62
|
cbvabv |
|
64 |
58 63
|
elab2g |
|
65 |
64
|
biimprd |
|
66 |
|
sucexg |
|
67 |
65 66
|
syl11 |
|
68 |
42 52 67
|
mp3an23 |
|
69 |
68
|
com12 |
|
70 |
|
elssuni |
|
71 |
|
sucssel |
|
72 |
70 71
|
syl5 |
|
73 |
69 72
|
syld |
|
74 |
40 73
|
mpd |
|
75 |
34 74
|
syl6 |
|
76 |
24 75
|
mpan2i |
|
77 |
23 76
|
syl5bir |
|
78 |
22 77
|
mpani |
|
79 |
21 78
|
mt3i |
|
80 |
24 44
|
pm3.2i |
|
81 |
|
treq |
|
82 |
|
raleq |
|
83 |
81 82
|
anbi12d |
|
84 |
80 83
|
mpbii |
|
85 |
79 84
|
syl |
|
86 |
85
|
ex |
|