Step |
Hyp |
Ref |
Expression |
1 |
|
diagval.l |
|
2 |
|
diagval.c |
|
3 |
|
diagval.d |
|
4 |
|
diag11.a |
|
5 |
|
diag11.c |
|
6 |
|
diag11.k |
|
7 |
|
diag11.b |
|
8 |
|
diag11.y |
|
9 |
|
diag12.j |
|
10 |
|
diag12.i |
|
11 |
|
diag12.z |
|
12 |
|
diag12.f |
|
13 |
1 2 3
|
diagval |
|
14 |
13
|
fveq2d |
|
15 |
14
|
fveq1d |
|
16 |
6 15
|
syl5eq |
|
17 |
16
|
fveq2d |
|
18 |
17
|
oveqd |
|
19 |
18
|
fveq1d |
|
20 |
|
eqid |
|
21 |
|
eqid |
|
22 |
|
eqid |
|
23 |
21 2 3 22
|
1stfcl |
|
24 |
|
eqid |
|
25 |
20 4 2 3 23 7 5 24 8 9 10 11 12
|
curf12 |
|
26 |
|
df-ov |
|
27 |
21 4 7
|
xpcbas |
|
28 |
|
eqid |
|
29 |
5 8
|
opelxpd |
|
30 |
5 11
|
opelxpd |
|
31 |
21 27 28 2 3 22 29 30
|
1stf2 |
|
32 |
31
|
fveq1d |
|
33 |
26 32
|
syl5eq |
|
34 |
|
eqid |
|
35 |
4 34 10 2 5
|
catidcl |
|
36 |
35 12
|
opelxpd |
|
37 |
21 4 7 34 9 5 8 5 11 28
|
xpchom2 |
|
38 |
36 37
|
eleqtrrd |
|
39 |
38
|
fvresd |
|
40 |
|
op1stg |
|
41 |
35 12 40
|
syl2anc |
|
42 |
33 39 41
|
3eqtrd |
|
43 |
19 25 42
|
3eqtrd |
|