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 |
|