Step |
Hyp |
Ref |
Expression |
1 |
|
ulmrel |
|
2 |
1
|
brrelex12i |
|
3 |
2
|
a1i |
|
4 |
|
3simpa |
|
5 |
|
fvex |
|
6 |
|
fex |
|
7 |
5 6
|
mpan2 |
|
8 |
7
|
a1i |
|
9 |
|
fex |
|
10 |
9
|
expcom |
|
11 |
8 10
|
anim12d |
|
12 |
4 11
|
syl5 |
|
13 |
12
|
rexlimdvw |
|
14 |
|
df-ulm |
|
15 |
|
oveq2 |
|
16 |
15
|
feq3d |
|
17 |
|
feq2 |
|
18 |
|
raleq |
|
19 |
18
|
rexralbidv |
|
20 |
19
|
ralbidv |
|
21 |
16 17 20
|
3anbi123d |
|
22 |
21
|
rexbidv |
|
23 |
22
|
opabbidv |
|
24 |
|
elex |
|
25 |
|
simpr1 |
|
26 |
|
uzssz |
|
27 |
|
ovex |
|
28 |
|
zex |
|
29 |
|
elpm2r |
|
30 |
27 28 29
|
mpanl12 |
|
31 |
25 26 30
|
sylancl |
|
32 |
|
simpr2 |
|
33 |
|
cnex |
|
34 |
|
simpl |
|
35 |
|
elmapg |
|
36 |
33 34 35
|
sylancr |
|
37 |
32 36
|
mpbird |
|
38 |
31 37
|
jca |
|
39 |
38
|
ex |
|
40 |
39
|
rexlimdvw |
|
41 |
40
|
ssopab2dv |
|
42 |
|
df-xp |
|
43 |
41 42
|
sseqtrrdi |
|
44 |
|
ovex |
|
45 |
44 27
|
xpex |
|
46 |
45
|
ssex |
|
47 |
43 46
|
syl |
|
48 |
14 23 24 47
|
fvmptd3 |
|
49 |
48
|
breqd |
|
50 |
|
simpl |
|
51 |
50
|
feq1d |
|
52 |
|
simpr |
|
53 |
52
|
feq1d |
|
54 |
50
|
fveq1d |
|
55 |
54
|
fveq1d |
|
56 |
52
|
fveq1d |
|
57 |
55 56
|
oveq12d |
|
58 |
57
|
fveq2d |
|
59 |
58
|
breq1d |
|
60 |
59
|
ralbidv |
|
61 |
60
|
rexralbidv |
|
62 |
61
|
ralbidv |
|
63 |
51 53 62
|
3anbi123d |
|
64 |
63
|
rexbidv |
|
65 |
|
eqid |
|
66 |
64 65
|
brabga |
|
67 |
49 66
|
sylan9bb |
|
68 |
67
|
ex |
|
69 |
3 13 68
|
pm5.21ndd |
|