Step |
Hyp |
Ref |
Expression |
1 |
|
bropopvvv.o |
|
2 |
|
bropopvvv.p |
|
3 |
|
bropopvvv.oo |
|
4 |
|
brovpreldm |
|
5 |
|
simpl |
|
6 |
2
|
opabbidv |
|
7 |
5 5 6
|
mpoeq123dv |
|
8 |
7 1
|
ovmpoga |
|
9 |
8
|
dmeqd |
|
10 |
9
|
eleq2d |
|
11 |
|
dmoprabss |
|
12 |
11
|
sseli |
|
13 |
|
opelxp |
|
14 |
|
df-br |
|
15 |
|
ne0i |
|
16 |
3
|
breqd |
|
17 |
|
brabv |
|
18 |
17
|
anim2i |
|
19 |
18
|
ex |
|
20 |
19
|
adantr |
|
21 |
16 20
|
sylbid |
|
22 |
21
|
ex |
|
23 |
22
|
com23 |
|
24 |
23
|
a1d |
|
25 |
1
|
mpondm0 |
|
26 |
|
df-ov |
|
27 |
|
fveq1 |
|
28 |
26 27
|
eqtrid |
|
29 |
|
0fv |
|
30 |
28 29
|
eqtrdi |
|
31 |
|
eqneqall |
|
32 |
25 30 31
|
3syl |
|
33 |
24 32
|
pm2.61i |
|
34 |
15 33
|
syl |
|
35 |
14 34
|
sylbi |
|
36 |
35
|
pm2.43i |
|
37 |
36
|
com12 |
|
38 |
37
|
anc2ri |
|
39 |
|
df-3an |
|
40 |
38 39
|
syl6ibr |
|
41 |
13 40
|
sylbi |
|
42 |
12 41
|
syl |
|
43 |
|
df-mpo |
|
44 |
43
|
dmeqi |
|
45 |
42 44
|
eleq2s |
|
46 |
10 45
|
syl6bi |
|
47 |
|
3ianor |
|
48 |
|
df-3or |
|
49 |
|
ianor |
|
50 |
25
|
dmeqd |
|
51 |
50
|
eleq2d |
|
52 |
|
dm0 |
|
53 |
52
|
eleq2i |
|
54 |
51 53
|
bitrdi |
|
55 |
|
noel |
|
56 |
55
|
pm2.21i |
|
57 |
54 56
|
syl6bi |
|
58 |
49 57
|
sylbir |
|
59 |
|
anor |
|
60 |
|
id |
|
61 |
60
|
ancri |
|
62 |
61
|
adantr |
|
63 |
|
mpoexga |
|
64 |
62 63
|
syl |
|
65 |
64
|
pm2.24d |
|
66 |
59 65
|
sylbir |
|
67 |
66
|
imp |
|
68 |
58 67
|
jaoi3 |
|
69 |
48 68
|
sylbi |
|
70 |
47 69
|
sylbi |
|
71 |
46 70
|
pm2.61i |
|
72 |
4 71
|
syl |
|
73 |
72
|
pm2.43i |
|