Step |
Hyp |
Ref |
Expression |
1 |
|
pofun.1 |
|
2 |
|
pofun.2 |
|
3 |
|
nfcsb1v |
|
4 |
3
|
nfel1 |
|
5 |
|
csbeq1a |
|
6 |
5
|
eleq1d |
|
7 |
4 6
|
rspc |
|
8 |
7
|
impcom |
|
9 |
|
poirr |
|
10 |
|
df-br |
|
11 |
1
|
eleq2i |
|
12 |
|
nfcv |
|
13 |
|
nfcv |
|
14 |
3 12 13
|
nfbr |
|
15 |
|
nfv |
|
16 |
|
vex |
|
17 |
5
|
breq1d |
|
18 |
|
vex |
|
19 |
18 2
|
csbie |
|
20 |
|
csbeq1 |
|
21 |
19 20
|
eqtr3id |
|
22 |
21
|
breq2d |
|
23 |
14 15 16 16 17 22
|
opelopabf |
|
24 |
10 11 23
|
3bitri |
|
25 |
9 24
|
sylnibr |
|
26 |
8 25
|
sylan2 |
|
27 |
26
|
anassrs |
|
28 |
7
|
com12 |
|
29 |
|
nfcsb1v |
|
30 |
29
|
nfel1 |
|
31 |
|
csbeq1a |
|
32 |
31
|
eleq1d |
|
33 |
30 32
|
rspc |
|
34 |
33
|
com12 |
|
35 |
|
nfcsb1v |
|
36 |
35
|
nfel1 |
|
37 |
|
csbeq1a |
|
38 |
37
|
eleq1d |
|
39 |
36 38
|
rspc |
|
40 |
39
|
com12 |
|
41 |
28 34 40
|
3anim123d |
|
42 |
41
|
imp |
|
43 |
42
|
adantll |
|
44 |
|
potr |
|
45 |
|
df-br |
|
46 |
1
|
eleq2i |
|
47 |
|
nfv |
|
48 |
|
vex |
|
49 |
|
csbeq1 |
|
50 |
19 49
|
eqtr3id |
|
51 |
50
|
breq2d |
|
52 |
14 47 16 48 17 51
|
opelopabf |
|
53 |
45 46 52
|
3bitri |
|
54 |
|
df-br |
|
55 |
1
|
eleq2i |
|
56 |
29 12 13
|
nfbr |
|
57 |
|
nfv |
|
58 |
|
vex |
|
59 |
31
|
breq1d |
|
60 |
|
csbeq1 |
|
61 |
19 60
|
eqtr3id |
|
62 |
61
|
breq2d |
|
63 |
56 57 48 58 59 62
|
opelopabf |
|
64 |
54 55 63
|
3bitri |
|
65 |
53 64
|
anbi12i |
|
66 |
|
df-br |
|
67 |
1
|
eleq2i |
|
68 |
|
nfv |
|
69 |
61
|
breq2d |
|
70 |
14 68 16 58 17 69
|
opelopabf |
|
71 |
66 67 70
|
3bitri |
|
72 |
44 65 71
|
3imtr4g |
|
73 |
72
|
adantlr |
|
74 |
43 73
|
syldan |
|
75 |
27 74
|
ispod |
|