Step |
Hyp |
Ref |
Expression |
1 |
|
reltpos |
|
2 |
|
relinxp |
|
3 |
|
relcnv |
|
4 |
|
df-rel |
|
5 |
3 4
|
mpbi |
|
6 |
|
simpl |
|
7 |
5 6
|
sseldi |
|
8 |
|
simpr |
|
9 |
|
elvv |
|
10 |
|
eleq1 |
|
11 |
|
vex |
|
12 |
|
vex |
|
13 |
11 12
|
opelcnv |
|
14 |
10 13
|
bitrdi |
|
15 |
|
sneq |
|
16 |
15
|
cnveqd |
|
17 |
16
|
unieqd |
|
18 |
|
opswap |
|
19 |
17 18
|
eqtrdi |
|
20 |
19
|
breq1d |
|
21 |
14 20
|
anbi12d |
|
22 |
|
opex |
|
23 |
|
vex |
|
24 |
22 23
|
breldm |
|
25 |
24
|
pm4.71ri |
|
26 |
|
brtpos |
|
27 |
26
|
elv |
|
28 |
25 27
|
bitr3i |
|
29 |
21 28
|
bitrdi |
|
30 |
|
breq1 |
|
31 |
29 30
|
bitr4d |
|
32 |
31
|
exlimivv |
|
33 |
9 32
|
sylbi |
|
34 |
|
iba |
|
35 |
33 34
|
bitrd |
|
36 |
7 8 35
|
pm5.21nii |
|
37 |
|
elsni |
|
38 |
37
|
sneqd |
|
39 |
38
|
cnveqd |
|
40 |
|
cnvsn0 |
|
41 |
39 40
|
eqtrdi |
|
42 |
41
|
unieqd |
|
43 |
|
uni0 |
|
44 |
42 43
|
eqtrdi |
|
45 |
44
|
breq1d |
|
46 |
|
brtpos0 |
|
47 |
46
|
elv |
|
48 |
45 47
|
bitrdi |
|
49 |
37
|
breq1d |
|
50 |
48 49
|
bitr4d |
|
51 |
50
|
pm5.32i |
|
52 |
51
|
biancomi |
|
53 |
36 52
|
orbi12i |
|
54 |
|
andir |
|
55 |
|
andi |
|
56 |
53 54 55
|
3bitr4i |
|
57 |
|
elun |
|
58 |
57
|
anbi1i |
|
59 |
|
brxp |
|
60 |
23 59
|
mpbiran2 |
|
61 |
|
elun |
|
62 |
60 61
|
bitri |
|
63 |
62
|
anbi2i |
|
64 |
56 58 63
|
3bitr4i |
|
65 |
|
brtpos2 |
|
66 |
65
|
elv |
|
67 |
|
brin |
|
68 |
64 66 67
|
3bitr4i |
|
69 |
1 2 68
|
eqbrriv |
|