| Step |
Hyp |
Ref |
Expression |
| 1 |
|
hvmapval.h |
|
| 2 |
|
elex |
|
| 3 |
|
fveq2 |
|
| 4 |
3 1
|
eqtr4di |
|
| 5 |
|
fveq2 |
|
| 6 |
5
|
fveq1d |
|
| 7 |
6
|
fveq2d |
|
| 8 |
6
|
fveq2d |
|
| 9 |
8
|
sneqd |
|
| 10 |
7 9
|
difeq12d |
|
| 11 |
6
|
fveq2d |
|
| 12 |
11
|
fveq2d |
|
| 13 |
|
fveq2 |
|
| 14 |
13
|
fveq1d |
|
| 15 |
14
|
fveq1d |
|
| 16 |
6
|
fveq2d |
|
| 17 |
|
eqidd |
|
| 18 |
6
|
fveq2d |
|
| 19 |
18
|
oveqd |
|
| 20 |
16 17 19
|
oveq123d |
|
| 21 |
20
|
eqeq2d |
|
| 22 |
15 21
|
rexeqbidv |
|
| 23 |
12 22
|
riotaeqbidv |
|
| 24 |
7 23
|
mpteq12dv |
|
| 25 |
10 24
|
mpteq12dv |
|
| 26 |
4 25
|
mpteq12dv |
|
| 27 |
|
df-hvmap |
|
| 28 |
26 27 1
|
mptfvmpt |
|
| 29 |
2 28
|
syl |
|