Step |
Hyp |
Ref |
Expression |
1 |
|
cnmpt2k.j |
|
2 |
|
cnmpt2k.k |
|
3 |
|
cnmpt2k.a |
|
4 |
|
nfcv |
|
5 |
|
nfcv |
|
6 |
|
nfmpo2 |
|
7 |
|
nfcv |
|
8 |
5 6 7
|
nfov |
|
9 |
4 8
|
nfmpt |
|
10 |
|
nfcv |
|
11 |
|
nfcv |
|
12 |
|
nfmpo1 |
|
13 |
|
nfcv |
|
14 |
11 12 13
|
nfov |
|
15 |
|
nfcv |
|
16 |
|
oveq1 |
|
17 |
14 15 16
|
cbvmpt |
|
18 |
|
oveq2 |
|
19 |
18
|
mpteq2dv |
|
20 |
17 19
|
eqtrid |
|
21 |
9 10 20
|
cbvmpt |
|
22 |
|
simpr |
|
23 |
|
simplr |
|
24 |
|
txtopon |
|
25 |
2 1 24
|
syl2anc |
|
26 |
|
cntop2 |
|
27 |
3 26
|
syl |
|
28 |
|
toptopon2 |
|
29 |
27 28
|
sylib |
|
30 |
1 2 3
|
cnmptcom |
|
31 |
|
cnf2 |
|
32 |
25 29 30 31
|
syl3anc |
|
33 |
|
eqid |
|
34 |
33
|
fmpo |
|
35 |
32 34
|
sylibr |
|
36 |
35
|
r19.21bi |
|
37 |
36
|
r19.21bi |
|
38 |
37
|
an32s |
|
39 |
33
|
ovmpt4g |
|
40 |
22 23 38 39
|
syl3anc |
|
41 |
40
|
mpteq2dva |
|
42 |
41
|
mpteq2dva |
|
43 |
21 42
|
eqtrid |
|
44 |
|
eqid |
|
45 |
44
|
xkoinjcn |
|
46 |
1 2 45
|
syl2anc |
|
47 |
32
|
feqmptd |
|
48 |
47 30
|
eqeltrrd |
|
49 |
|
fveq2 |
|
50 |
|
df-ov |
|
51 |
49 50
|
eqtr4di |
|
52 |
1 2 25 46 48 51
|
cnmptk1 |
|
53 |
43 52
|
eqeltrrd |
|