Step |
Hyp |
Ref |
Expression |
1 |
|
isacs2.f |
|
2 |
|
isacs |
|
3 |
|
ffun |
|
4 |
|
funiunfv |
|
5 |
3 4
|
syl |
|
6 |
5
|
sseq1d |
|
7 |
|
iunss |
|
8 |
6 7
|
bitr3di |
|
9 |
8
|
bibi2d |
|
10 |
9
|
ralbidv |
|
11 |
10
|
pm5.32i |
|
12 |
11
|
exbii |
|
13 |
|
simpll |
|
14 |
|
elinel1 |
|
15 |
14
|
elpwid |
|
16 |
15
|
adantl |
|
17 |
|
simplr |
|
18 |
1
|
mrcsscl |
|
19 |
13 16 17 18
|
syl3anc |
|
20 |
19
|
ralrimiva |
|
21 |
20
|
ad4ant14 |
|
22 |
|
fveq2 |
|
23 |
22
|
sseq1d |
|
24 |
|
simplll |
|
25 |
15
|
adantl |
|
26 |
|
elpwi |
|
27 |
26
|
ad2antlr |
|
28 |
25 27
|
sstrd |
|
29 |
1
|
mrccl |
|
30 |
24 28 29
|
syl2anc |
|
31 |
|
eleq1 |
|
32 |
|
pweq |
|
33 |
32
|
ineq1d |
|
34 |
|
sseq2 |
|
35 |
33 34
|
raleqbidv |
|
36 |
31 35
|
bibi12d |
|
37 |
|
simprr |
|
38 |
37
|
ad2antrr |
|
39 |
|
mresspw |
|
40 |
39
|
ad3antrrr |
|
41 |
40 30
|
sseldd |
|
42 |
36 38 41
|
rspcdva |
|
43 |
30 42
|
mpbid |
|
44 |
24 1 28
|
mrcssidd |
|
45 |
|
vex |
|
46 |
45
|
elpw |
|
47 |
44 46
|
sylibr |
|
48 |
|
elinel2 |
|
49 |
48
|
adantl |
|
50 |
47 49
|
elind |
|
51 |
23 43 50
|
rspcdva |
|
52 |
|
sstr2 |
|
53 |
51 52
|
syl |
|
54 |
53
|
ralimdva |
|
55 |
54
|
imp |
|
56 |
|
fveq2 |
|
57 |
56
|
sseq1d |
|
58 |
57
|
cbvralvw |
|
59 |
55 58
|
sylib |
|
60 |
|
eleq1 |
|
61 |
|
pweq |
|
62 |
61
|
ineq1d |
|
63 |
|
sseq2 |
|
64 |
62 63
|
raleqbidv |
|
65 |
60 64
|
bibi12d |
|
66 |
37
|
ad2antrr |
|
67 |
|
simplr |
|
68 |
65 66 67
|
rspcdva |
|
69 |
59 68
|
mpbird |
|
70 |
21 69
|
impbida |
|
71 |
70
|
ralrimiva |
|
72 |
71
|
ex |
|
73 |
72
|
exlimdv |
|
74 |
1
|
mrcf |
|
75 |
74 39
|
fssd |
|
76 |
1
|
fvexi |
|
77 |
|
feq1 |
|
78 |
|
fveq1 |
|
79 |
78
|
sseq1d |
|
80 |
79
|
ralbidv |
|
81 |
|
fveq2 |
|
82 |
81
|
sseq1d |
|
83 |
82
|
cbvralvw |
|
84 |
80 83
|
bitrdi |
|
85 |
84
|
bibi2d |
|
86 |
85
|
ralbidv |
|
87 |
|
sseq2 |
|
88 |
62 87
|
raleqbidv |
|
89 |
60 88
|
bibi12d |
|
90 |
89
|
cbvralvw |
|
91 |
86 90
|
bitrdi |
|
92 |
77 91
|
anbi12d |
|
93 |
76 92
|
spcev |
|
94 |
75 93
|
sylan |
|
95 |
94
|
ex |
|
96 |
73 95
|
impbid |
|
97 |
12 96
|
syl5bb |
|
98 |
97
|
pm5.32i |
|
99 |
2 98
|
bitri |
|