Step |
Hyp |
Ref |
Expression |
1 |
|
psdval.s |
|
2 |
|
psdval.b |
|
3 |
|
psdval.d |
|
4 |
|
psdval.x |
|
5 |
|
psdval.f |
|
6 |
|
fveq1 |
|
7 |
6
|
oveq2d |
|
8 |
7
|
mpteq2dv |
|
9 |
|
reldmpsr |
|
10 |
9 1 2
|
elbasov |
|
11 |
5 10
|
syl |
|
12 |
11
|
simpld |
|
13 |
11
|
simprd |
|
14 |
1 2 3 12 13 4
|
psdfval |
|
15 |
|
ovex |
|
16 |
3 15
|
rabex2 |
|
17 |
16
|
mptex |
|
18 |
17
|
a1i |
|
19 |
8 14 5 18
|
fvmptd4 |
|