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 |
|