Step |
Hyp |
Ref |
Expression |
1 |
|
iscringd.1 |
|
2 |
|
iscringd.2 |
|
3 |
|
iscringd.3 |
|
4 |
|
iscringd.4 |
|
5 |
|
iscringd.5 |
|
6 |
|
iscringd.6 |
|
7 |
|
iscringd.7 |
|
8 |
|
iscringd.8 |
|
9 |
|
id |
|
10 |
9
|
3com13 |
|
11 |
|
eleq1 |
|
12 |
11
|
3anbi1d |
|
13 |
12
|
anbi2d |
|
14 |
|
oveq2 |
|
15 |
|
oveq2 |
|
16 |
|
oveq2 |
|
17 |
15 16
|
oveq12d |
|
18 |
14 17
|
eqeq12d |
|
19 |
13 18
|
imbi12d |
|
20 |
|
eleq1 |
|
21 |
20
|
3anbi3d |
|
22 |
21
|
anbi2d |
|
23 |
|
oveq1 |
|
24 |
23
|
oveq1d |
|
25 |
|
oveq1 |
|
26 |
25
|
oveq1d |
|
27 |
24 26
|
eqeq12d |
|
28 |
22 27
|
imbi12d |
|
29 |
|
eleq1 |
|
30 |
29
|
3anbi1d |
|
31 |
30
|
anbi2d |
|
32 |
|
oveq2 |
|
33 |
|
oveq2 |
|
34 |
|
oveq2 |
|
35 |
33 34
|
oveq12d |
|
36 |
32 35
|
eqeq12d |
|
37 |
31 36
|
imbi12d |
|
38 |
1
|
adantr |
|
39 |
|
simpr3 |
|
40 |
2
|
adantr |
|
41 |
39 40
|
eleqtrd |
|
42 |
|
simpr2 |
|
43 |
42 40
|
eleqtrd |
|
44 |
|
eqid |
|
45 |
44
|
ablocom |
|
46 |
38 41 43 45
|
syl3anc |
|
47 |
46
|
oveq1d |
|
48 |
|
simpr1 |
|
49 |
|
ablogrpo |
|
50 |
38 49
|
syl |
|
51 |
44
|
grpocl |
|
52 |
50 43 41 51
|
syl3anc |
|
53 |
52 40
|
eleqtrrd |
|
54 |
48 53
|
jca |
|
55 |
|
ovex |
|
56 |
|
eleq1 |
|
57 |
56
|
anbi2d |
|
58 |
57
|
anbi2d |
|
59 |
|
oveq2 |
|
60 |
|
oveq1 |
|
61 |
59 60
|
eqeq12d |
|
62 |
58 61
|
imbi12d |
|
63 |
|
eleq1 |
|
64 |
63
|
anbi2d |
|
65 |
64
|
anbi2d |
|
66 |
|
oveq2 |
|
67 |
|
oveq1 |
|
68 |
66 67
|
eqeq12d |
|
69 |
65 68
|
imbi12d |
|
70 |
69 8
|
chvarvv |
|
71 |
55 62 70
|
vtocl |
|
72 |
54 71
|
syldan |
|
73 |
8
|
3adantr3 |
|
74 |
|
eleq1 |
|
75 |
74
|
anbi2d |
|
76 |
75
|
anbi2d |
|
77 |
|
oveq2 |
|
78 |
|
oveq1 |
|
79 |
77 78
|
eqeq12d |
|
80 |
76 79
|
imbi12d |
|
81 |
80 8
|
chvarvv |
|
82 |
81
|
3adantr2 |
|
83 |
73 82
|
oveq12d |
|
84 |
3
|
adantr |
|
85 |
84 42 48
|
fovrnd |
|
86 |
85 40
|
eleqtrd |
|
87 |
84 39 48
|
fovrnd |
|
88 |
87 40
|
eleqtrd |
|
89 |
44
|
ablocom |
|
90 |
38 86 88 89
|
syl3anc |
|
91 |
5 83 90
|
3eqtrd |
|
92 |
47 72 91
|
3eqtr2d |
|
93 |
37 92
|
chvarvv |
|
94 |
28 93
|
chvarvv |
|
95 |
19 94
|
chvarvv |
|
96 |
10 95
|
sylan2 |
|
97 |
6
|
adantr |
|
98 |
|
oveq1 |
|
99 |
|
oveq2 |
|
100 |
98 99
|
eqeq12d |
|
101 |
100
|
imbi2d |
|
102 |
8
|
an12s |
|
103 |
102
|
ex |
|
104 |
101 103
|
vtoclga |
|
105 |
97 104
|
mpcom |
|
106 |
105 7
|
eqtrd |
|
107 |
1 2 3 4 5 96 6 106 7
|
isrngod |
|
108 |
2
|
eleq2d |
|
109 |
2
|
eleq2d |
|
110 |
108 109
|
anbi12d |
|
111 |
110
|
biimpar |
|
112 |
111 8
|
syldan |
|
113 |
112
|
ralrimivva |
|
114 |
|
rnexg |
|
115 |
1 114
|
syl |
|
116 |
2 115
|
eqeltrd |
|
117 |
116 116
|
xpexd |
|
118 |
3 117
|
fexd |
|
119 |
|
iscom2 |
|
120 |
1 118 119
|
syl2anc |
|
121 |
113 120
|
mpbird |
|
122 |
|
iscrngo |
|
123 |
107 121 122
|
sylanbrc |
|