Step |
Hyp |
Ref |
Expression |
1 |
|
ttgval.n |
|
2 |
|
ttgval.b |
|
3 |
|
ttgval.m |
|
4 |
|
ttgval.s |
|
5 |
|
ttgval.i |
|
6 |
1
|
a1i |
|
7 |
|
elex |
|
8 |
|
fveq2 |
|
9 |
8 2
|
eqtr4di |
|
10 |
|
fveq2 |
|
11 |
10 3
|
eqtr4di |
|
12 |
11
|
oveqd |
|
13 |
|
fveq2 |
|
14 |
13 4
|
eqtr4di |
|
15 |
|
eqidd |
|
16 |
11
|
oveqd |
|
17 |
14 15 16
|
oveq123d |
|
18 |
12 17
|
eqeq12d |
|
19 |
18
|
rexbidv |
|
20 |
9 19
|
rabeqbidv |
|
21 |
9 9 20
|
mpoeq123dv |
|
22 |
21
|
csbeq1d |
|
23 |
|
oveq1 |
|
24 |
9
|
rabeqdv |
|
25 |
9 9 24
|
mpoeq123dv |
|
26 |
25
|
opeq2d |
|
27 |
23 26
|
oveq12d |
|
28 |
27
|
csbeq2dv |
|
29 |
22 28
|
eqtrd |
|
30 |
|
df-ttg |
|
31 |
|
ovex |
|
32 |
31
|
csbex |
|
33 |
29 30 32
|
fvmpt |
|
34 |
7 33
|
syl |
|
35 |
2
|
fvexi |
|
36 |
35 35
|
mpoex |
|
37 |
36
|
a1i |
|
38 |
|
simpr |
|
39 |
|
oveq2 |
|
40 |
|
oveq2 |
|
41 |
40
|
oveq2d |
|
42 |
39 41
|
eqeq12d |
|
43 |
42
|
rexbidv |
|
44 |
43
|
rabbidv |
|
45 |
|
oveq1 |
|
46 |
45
|
oveq2d |
|
47 |
46
|
eqeq2d |
|
48 |
47
|
rexbidv |
|
49 |
48
|
rabbidv |
|
50 |
|
oveq1 |
|
51 |
50
|
eqeq1d |
|
52 |
51
|
rexbidv |
|
53 |
52
|
cbvrabv |
|
54 |
49 53
|
eqtrdi |
|
55 |
44 54
|
cbvmpov |
|
56 |
38 55
|
eqtr4di |
|
57 |
|
simpr |
|
58 |
57 55
|
eqtrdi |
|
59 |
58
|
opeq2d |
|
60 |
59
|
oveq2d |
|
61 |
58
|
oveqd |
|
62 |
61
|
eleq2d |
|
63 |
58
|
oveqd |
|
64 |
63
|
eleq2d |
|
65 |
58
|
oveqd |
|
66 |
65
|
eleq2d |
|
67 |
62 64 66
|
3orbi123d |
|
68 |
67
|
rabbidv |
|
69 |
68
|
mpoeq3dv |
|
70 |
69
|
opeq2d |
|
71 |
60 70
|
oveq12d |
|
72 |
56 71
|
syldan |
|
73 |
37 72
|
csbied |
|
74 |
6 34 73
|
3eqtrd |
|
75 |
74
|
fveq2d |
|
76 |
|
itvid |
|
77 |
|
1nn0 |
|
78 |
|
6nn |
|
79 |
77 78
|
decnncl |
|
80 |
79
|
nnrei |
|
81 |
|
6nn0 |
|
82 |
|
7nn |
|
83 |
|
6lt7 |
|
84 |
77 81 82 83
|
declt |
|
85 |
80 84
|
ltneii |
|
86 |
|
itvndx |
|
87 |
|
lngndx |
|
88 |
86 87
|
neeq12i |
|
89 |
85 88
|
mpbir |
|
90 |
76 89
|
setsnid |
|
91 |
75 90
|
eqtr4di |
|
92 |
5
|
a1i |
|
93 |
76
|
setsid |
|
94 |
36 93
|
mpan2 |
|
95 |
91 92 94
|
3eqtr4d |
|
96 |
95
|
oveqd |
|
97 |
96
|
eleq2d |
|
98 |
95
|
oveqd |
|
99 |
98
|
eleq2d |
|
100 |
95
|
oveqd |
|
101 |
100
|
eleq2d |
|
102 |
97 99 101
|
3orbi123d |
|
103 |
102
|
rabbidv |
|
104 |
103
|
mpoeq3dv |
|
105 |
104
|
opeq2d |
|
106 |
105
|
oveq2d |
|
107 |
74 106
|
eqtr4d |
|
108 |
107 95
|
jca |
|