Step |
Hyp |
Ref |
Expression |
1 |
|
diag2.l |
|
2 |
|
diag2.a |
|
3 |
|
diag2.b |
|
4 |
|
diag2.h |
|
5 |
|
diag2.c |
|
6 |
|
diag2.d |
|
7 |
|
diag2.x |
|
8 |
|
diag2.y |
|
9 |
|
diag2.f |
|
10 |
1 5 6
|
diagval |
|
11 |
10
|
fveq2d |
|
12 |
11
|
oveqd |
|
13 |
12
|
fveq1d |
|
14 |
|
eqid |
|
15 |
|
eqid |
|
16 |
|
eqid |
|
17 |
15 5 6 16
|
1stfcl |
|
18 |
|
eqid |
|
19 |
|
eqid |
|
20 |
14 2 5 6 17 3 4 18 7 8 9 19
|
curf2 |
|
21 |
15 2 3
|
xpcbas |
|
22 |
|
eqid |
|
23 |
5
|
adantr |
|
24 |
6
|
adantr |
|
25 |
|
opelxpi |
|
26 |
7 25
|
sylan |
|
27 |
|
opelxpi |
|
28 |
8 27
|
sylan |
|
29 |
15 21 22 23 24 16 26 28
|
1stf2 |
|
30 |
29
|
oveqd |
|
31 |
|
df-ov |
|
32 |
9
|
adantr |
|
33 |
|
eqid |
|
34 |
|
simpr |
|
35 |
3 33 18 24 34
|
catidcl |
|
36 |
32 35
|
opelxpd |
|
37 |
7
|
adantr |
|
38 |
8
|
adantr |
|
39 |
15 2 3 4 33 37 34 38 34 22
|
xpchom2 |
|
40 |
36 39
|
eleqtrrd |
|
41 |
40
|
fvresd |
|
42 |
31 41
|
syl5eq |
|
43 |
|
op1stg |
|
44 |
9 35 43
|
syl2an2r |
|
45 |
30 42 44
|
3eqtrd |
|
46 |
45
|
mpteq2dva |
|
47 |
|
fconstmpt |
|
48 |
46 47
|
eqtr4di |
|
49 |
13 20 48
|
3eqtrd |
|