Step |
Hyp |
Ref |
Expression |
1 |
|
dochval.b |
|
2 |
|
dochval.g |
|
3 |
|
dochval.o |
|
4 |
|
dochval.h |
|
5 |
|
dochval.i |
|
6 |
|
dochval.u |
|
7 |
|
dochval.v |
|
8 |
|
dochval.n |
|
9 |
1 2 3 4 5 6 7 8
|
dochfval |
|
10 |
9
|
adantr |
|
11 |
10
|
fveq1d |
|
12 |
7
|
fvexi |
|
13 |
12
|
elpw2 |
|
14 |
13
|
biimpri |
|
15 |
14
|
adantl |
|
16 |
|
fvex |
|
17 |
|
sseq1 |
|
18 |
17
|
rabbidv |
|
19 |
18
|
fveq2d |
|
20 |
19
|
fveq2d |
|
21 |
20
|
fveq2d |
|
22 |
|
eqid |
|
23 |
21 22
|
fvmptg |
|
24 |
15 16 23
|
sylancl |
|
25 |
11 24
|
eqtrd |
|