Step |
Hyp |
Ref |
Expression |
1 |
|
imasless.u |
|
2 |
|
imasless.v |
|
3 |
|
imasless.f |
|
4 |
|
imasless.r |
|
5 |
|
imasless.l |
|
6 |
|
imasleval.n |
|
7 |
|
imasleval.e |
|
8 |
|
fveq2 |
|
9 |
8
|
breq1d |
|
10 |
|
breq1 |
|
11 |
9 10
|
bibi12d |
|
12 |
11
|
imbi2d |
|
13 |
|
fveq2 |
|
14 |
13
|
breq2d |
|
15 |
|
breq2 |
|
16 |
14 15
|
bibi12d |
|
17 |
16
|
imbi2d |
|
18 |
|
fofn |
|
19 |
3 18
|
syl |
|
20 |
19
|
adantr |
|
21 |
20
|
fndmd |
|
22 |
21
|
rexeqdv |
|
23 |
|
fnbrfvb |
|
24 |
20 23
|
sylan |
|
25 |
24
|
anbi1d |
|
26 |
|
ancom |
|
27 |
|
vex |
|
28 |
|
fvex |
|
29 |
27 28
|
breldm |
|
30 |
29
|
adantr |
|
31 |
30
|
pm4.71ri |
|
32 |
26 31
|
bitri |
|
33 |
32
|
exbii |
|
34 |
|
vex |
|
35 |
34 28
|
brco |
|
36 |
|
df-rex |
|
37 |
33 35 36
|
3bitr4i |
|
38 |
20
|
ad2antrr |
|
39 |
|
fnbrfvb |
|
40 |
38 39
|
sylan |
|
41 |
40
|
anbi1d |
|
42 |
7
|
3expa |
|
43 |
42
|
an32s |
|
44 |
43
|
anassrs |
|
45 |
44
|
impl |
|
46 |
45
|
pm5.32da |
|
47 |
46
|
an32s |
|
48 |
41 47
|
bitr3d |
|
49 |
48
|
rexbidva |
|
50 |
|
r19.41v |
|
51 |
49 50
|
bitrdi |
|
52 |
21
|
rexeqdv |
|
53 |
52
|
ad2antrr |
|
54 |
|
simprr |
|
55 |
|
eqid |
|
56 |
|
fveqeq2 |
|
57 |
56
|
rspcev |
|
58 |
54 55 57
|
sylancl |
|
59 |
58
|
biantrurd |
|
60 |
59
|
ad2antrr |
|
61 |
51 53 60
|
3bitr4d |
|
62 |
37 61
|
syl5bb |
|
63 |
62
|
pm5.32da |
|
64 |
25 63
|
bitr3d |
|
65 |
64
|
rexbidva |
|
66 |
22 65
|
bitrd |
|
67 |
|
fvex |
|
68 |
67 34
|
brcnv |
|
69 |
68
|
anbi1i |
|
70 |
34 67
|
breldm |
|
71 |
70
|
adantr |
|
72 |
71
|
pm4.71ri |
|
73 |
69 72
|
bitri |
|
74 |
73
|
exbii |
|
75 |
67 28
|
brco |
|
76 |
|
df-rex |
|
77 |
74 75 76
|
3bitr4ri |
|
78 |
|
r19.41v |
|
79 |
66 77 78
|
3bitr3g |
|
80 |
1 2 3 4 6 5
|
imasle |
|
81 |
80
|
adantr |
|
82 |
81
|
breqd |
|
83 |
|
simprl |
|
84 |
|
eqid |
|
85 |
|
fveqeq2 |
|
86 |
85
|
rspcev |
|
87 |
83 84 86
|
sylancl |
|
88 |
87
|
biantrurd |
|
89 |
79 82 88
|
3bitr4d |
|
90 |
89
|
expcom |
|
91 |
12 17 90
|
vtocl2ga |
|
92 |
91
|
com12 |
|
93 |
92
|
3impib |
|