| Step |
Hyp |
Ref |
Expression |
| 1 |
|
isthincd2lem2.1 |
|
| 2 |
|
isthincd2lem2.2 |
|
| 3 |
|
isthincd2lem2.3 |
|
| 4 |
|
isthincd2lem2.4 |
|
| 5 |
|
isthincd2lem2.5 |
|
| 6 |
|
isthincd2lem2.6 |
|
| 7 |
|
oveq1 |
|
| 8 |
|
opeq1 |
|
| 9 |
8
|
oveq1d |
|
| 10 |
9
|
oveqd |
|
| 11 |
|
oveq1 |
|
| 12 |
10 11
|
eleq12d |
|
| 13 |
12
|
ralbidv |
|
| 14 |
7 13
|
raleqbidv |
|
| 15 |
|
oveq2 |
|
| 16 |
|
oveq1 |
|
| 17 |
|
opeq2 |
|
| 18 |
17
|
oveq1d |
|
| 19 |
18
|
oveqd |
|
| 20 |
19
|
eleq1d |
|
| 21 |
16 20
|
raleqbidv |
|
| 22 |
15 21
|
raleqbidv |
|
| 23 |
|
oveq2 |
|
| 24 |
|
oveq2 |
|
| 25 |
24
|
oveqd |
|
| 26 |
|
oveq2 |
|
| 27 |
25 26
|
eleq12d |
|
| 28 |
23 27
|
raleqbidv |
|
| 29 |
28
|
ralbidv |
|
| 30 |
|
oveq2 |
|
| 31 |
30
|
eleq1d |
|
| 32 |
|
oveq1 |
|
| 33 |
32
|
eleq1d |
|
| 34 |
31 33
|
cbvral2vw |
|
| 35 |
29 34
|
bitrdi |
|
| 36 |
14 22 35
|
cbvral3vw |
|
| 37 |
6 36
|
sylib |
|
| 38 |
|
oveq1 |
|
| 39 |
|
opeq1 |
|
| 40 |
39
|
oveq1d |
|
| 41 |
40
|
oveqd |
|
| 42 |
|
oveq1 |
|
| 43 |
41 42
|
eleq12d |
|
| 44 |
43
|
ralbidv |
|
| 45 |
38 44
|
raleqbidv |
|
| 46 |
|
oveq2 |
|
| 47 |
|
oveq1 |
|
| 48 |
|
opeq2 |
|
| 49 |
48
|
oveq1d |
|
| 50 |
49
|
oveqd |
|
| 51 |
50
|
eleq1d |
|
| 52 |
47 51
|
raleqbidv |
|
| 53 |
46 52
|
raleqbidv |
|
| 54 |
|
oveq2 |
|
| 55 |
|
oveq2 |
|
| 56 |
55
|
oveqd |
|
| 57 |
|
oveq2 |
|
| 58 |
56 57
|
eleq12d |
|
| 59 |
54 58
|
raleqbidv |
|
| 60 |
59
|
ralbidv |
|
| 61 |
45 53 60
|
rspc3v |
|
| 62 |
1 2 3 61
|
syl3anc |
|
| 63 |
37 62
|
mpd |
|
| 64 |
|
oveq2 |
|
| 65 |
64
|
eleq1d |
|
| 66 |
|
oveq1 |
|
| 67 |
66
|
eleq1d |
|
| 68 |
65 67
|
rspc2v |
|
| 69 |
4 5 68
|
syl2anc |
|
| 70 |
63 69
|
mpd |
|