Step |
Hyp |
Ref |
Expression |
1 |
|
funrel |
|
2 |
1
|
adantr |
|
3 |
2
|
ralimi |
|
4 |
|
reluni |
|
5 |
3 4
|
sylibr |
|
6 |
|
r19.28v |
|
7 |
6
|
ralimi |
|
8 |
|
ssel |
|
9 |
8
|
anim1d |
|
10 |
|
dffun4 |
|
11 |
10
|
simprbi |
|
12 |
11
|
19.21bbi |
|
13 |
12
|
19.21bi |
|
14 |
9 13
|
syl9r |
|
15 |
14
|
adantl |
|
16 |
|
ssel |
|
17 |
16
|
anim2d |
|
18 |
|
dffun4 |
|
19 |
18
|
simprbi |
|
20 |
19
|
19.21bbi |
|
21 |
20
|
19.21bi |
|
22 |
17 21
|
syl9r |
|
23 |
22
|
adantr |
|
24 |
15 23
|
jaod |
|
25 |
24
|
imp |
|
26 |
25
|
2ralimi |
|
27 |
|
funeq |
|
28 |
|
sseq1 |
|
29 |
|
sseq2 |
|
30 |
28 29
|
orbi12d |
|
31 |
27 30
|
anbi12d |
|
32 |
|
sseq2 |
|
33 |
|
sseq1 |
|
34 |
32 33
|
orbi12d |
|
35 |
34
|
anbi2d |
|
36 |
31 35
|
cbvral2vw |
|
37 |
|
ralcom |
|
38 |
|
orcom |
|
39 |
|
sseq1 |
|
40 |
|
sseq2 |
|
41 |
39 40
|
orbi12d |
|
42 |
38 41
|
syl5bb |
|
43 |
42
|
anbi2d |
|
44 |
|
funeq |
|
45 |
|
sseq2 |
|
46 |
|
sseq1 |
|
47 |
45 46
|
orbi12d |
|
48 |
44 47
|
anbi12d |
|
49 |
43 48
|
cbvral2vw |
|
50 |
37 49
|
bitri |
|
51 |
36 50
|
anbi12i |
|
52 |
|
anidm |
|
53 |
|
anandir |
|
54 |
53
|
2ralbii |
|
55 |
|
r19.26-2 |
|
56 |
54 55
|
bitr2i |
|
57 |
51 52 56
|
3bitr3i |
|
58 |
|
eluni |
|
59 |
|
eluni |
|
60 |
58 59
|
anbi12i |
|
61 |
|
exdistrv |
|
62 |
|
an4 |
|
63 |
62
|
biancomi |
|
64 |
63
|
2exbii |
|
65 |
60 61 64
|
3bitr2i |
|
66 |
65
|
imbi1i |
|
67 |
|
19.23v |
|
68 |
|
r2al |
|
69 |
|
impexp |
|
70 |
69
|
2albii |
|
71 |
|
19.23v |
|
72 |
71
|
albii |
|
73 |
68 70 72
|
3bitr2ri |
|
74 |
66 67 73
|
3bitr2i |
|
75 |
26 57 74
|
3imtr4i |
|
76 |
75
|
alrimiv |
|
77 |
76
|
alrimivv |
|
78 |
7 77
|
syl |
|
79 |
|
dffun4 |
|
80 |
5 78 79
|
sylanbrc |
|