Step |
Hyp |
Ref |
Expression |
1 |
|
sprsymrelfo.q |
|
2 |
|
df-br |
|
3 |
|
simpl |
|
4 |
|
ssel |
|
5 |
4
|
adantl |
|
6 |
5
|
imp |
|
7 |
|
opelxp |
|
8 |
6 7
|
sylib |
|
9 |
|
prelspr |
|
10 |
3 8 9
|
syl2an2r |
|
11 |
10
|
ex |
|
12 |
2 11
|
syl5bi |
|
13 |
12
|
3adant3 |
|
14 |
13
|
imp |
|
15 |
|
vex |
|
16 |
|
vex |
|
17 |
|
vex |
|
18 |
|
vex |
|
19 |
15 16 17 18
|
preq12b |
|
20 |
|
breq12 |
|
21 |
20
|
biimpd |
|
22 |
21
|
com12 |
|
23 |
22
|
adantl |
|
24 |
23
|
adantr |
|
25 |
24
|
com12 |
|
26 |
|
rsp2 |
|
27 |
26
|
ancomsd |
|
28 |
27
|
imp |
|
29 |
28
|
biimpd |
|
30 |
29
|
ex |
|
31 |
30
|
3ad2ant3 |
|
32 |
31
|
com23 |
|
33 |
32
|
imp |
|
34 |
33
|
adantl |
|
35 |
|
eleq1 |
|
36 |
|
eleq1 |
|
37 |
35 36
|
bi2anan9r |
|
38 |
|
breq12 |
|
39 |
38
|
ancoms |
|
40 |
37 39
|
imbi12d |
|
41 |
40
|
adantr |
|
42 |
34 41
|
mpbid |
|
43 |
42
|
expimpd |
|
44 |
25 43
|
jaoi |
|
45 |
44
|
com12 |
|
46 |
19 45
|
syl5bi |
|
47 |
46
|
ralrimivva |
|
48 |
1
|
eleq2i |
|
49 |
|
eqeq1 |
|
50 |
49
|
imbi1d |
|
51 |
50
|
2ralbidv |
|
52 |
51
|
elrab |
|
53 |
48 52
|
bitri |
|
54 |
14 47 53
|
sylanbrc |
|
55 |
|
eqidd |
|
56 |
|
eqeq1 |
|
57 |
56
|
rspcev |
|
58 |
54 55 57
|
syl2anc |
|
59 |
58
|
ex |
|
60 |
1
|
eleq2i |
|
61 |
|
eqeq1 |
|
62 |
61
|
imbi1d |
|
63 |
62
|
2ralbidv |
|
64 |
63
|
elrab |
|
65 |
60 64
|
bitri |
|
66 |
|
eleq1 |
|
67 |
|
prsprel |
|
68 |
15 16 67
|
mpanr12 |
|
69 |
66 68
|
syl6bi |
|
70 |
69
|
com12 |
|
71 |
70
|
adantr |
|
72 |
71
|
imp |
|
73 |
|
preq1 |
|
74 |
73
|
eqeq2d |
|
75 |
|
breq1 |
|
76 |
74 75
|
imbi12d |
|
77 |
|
preq2 |
|
78 |
77
|
eqeq2d |
|
79 |
|
breq2 |
|
80 |
78 79
|
imbi12d |
|
81 |
76 80
|
rspc2v |
|
82 |
81
|
a1d |
|
83 |
82
|
imp4c |
|
84 |
72 83
|
mpcom |
|
85 |
84
|
a1d |
|
86 |
65 85
|
sylanb |
|
87 |
86
|
rexlimiva |
|
88 |
87
|
com12 |
|
89 |
59 88
|
impbid |
|