Step |
Hyp |
Ref |
Expression |
1 |
|
docaval.j |
|
2 |
|
docaval.m |
|
3 |
|
docaval.o |
|
4 |
|
docaval.h |
|
5 |
|
docaval.t |
|
6 |
|
docaval.i |
|
7 |
|
docaval.n |
|
8 |
1 2 3 4 5 6 7
|
docafvalN |
|
9 |
8
|
adantr |
|
10 |
9
|
fveq1d |
|
11 |
5
|
fvexi |
|
12 |
11
|
elpw2 |
|
13 |
12
|
biimpri |
|
14 |
13
|
adantl |
|
15 |
|
fvex |
|
16 |
|
sseq1 |
|
17 |
16
|
rabbidv |
|
18 |
17
|
inteqd |
|
19 |
18
|
fveq2d |
|
20 |
19
|
fveq2d |
|
21 |
20
|
oveq1d |
|
22 |
21
|
fvoveq1d |
|
23 |
|
eqid |
|
24 |
22 23
|
fvmptg |
|
25 |
14 15 24
|
sylancl |
|
26 |
10 25
|
eqtrd |
|