Step |
Hyp |
Ref |
Expression |
1 |
|
dihval.b |
|
2 |
|
dihval.l |
|
3 |
|
dihval.j |
|
4 |
|
dihval.m |
|
5 |
|
dihval.a |
|
6 |
|
dihval.h |
|
7 |
|
dihval.i |
|
8 |
|
dihval.d |
|
9 |
|
dihval.c |
|
10 |
|
dihval.u |
|
11 |
|
dihval.s |
|
12 |
|
dihval.p |
|
13 |
1 2 3 4 5 6
|
dihffval |
|
14 |
13
|
fveq1d |
|
15 |
7 14
|
eqtrid |
|
16 |
|
breq2 |
|
17 |
|
fveq2 |
|
18 |
17 8
|
eqtr4di |
|
19 |
18
|
fveq1d |
|
20 |
|
fveq2 |
|
21 |
20 10
|
eqtr4di |
|
22 |
21
|
fveq2d |
|
23 |
22 11
|
eqtr4di |
|
24 |
|
breq2 |
|
25 |
24
|
notbid |
|
26 |
|
oveq2 |
|
27 |
26
|
oveq2d |
|
28 |
27
|
eqeq1d |
|
29 |
25 28
|
anbi12d |
|
30 |
21
|
fveq2d |
|
31 |
30 12
|
eqtr4di |
|
32 |
|
fveq2 |
|
33 |
32 9
|
eqtr4di |
|
34 |
33
|
fveq1d |
|
35 |
18 26
|
fveq12d |
|
36 |
31 34 35
|
oveq123d |
|
37 |
36
|
eqeq2d |
|
38 |
29 37
|
imbi12d |
|
39 |
38
|
ralbidv |
|
40 |
23 39
|
riotaeqbidv |
|
41 |
16 19 40
|
ifbieq12d |
|
42 |
41
|
mpteq2dv |
|
43 |
|
eqid |
|
44 |
42 43 1
|
mptfvmpt |
|
45 |
15 44
|
sylan9eq |
|