Step |
Hyp |
Ref |
Expression |
1 |
|
vtxdlfgrval.v |
|
2 |
|
vtxdlfgrval.i |
|
3 |
|
vtxdlfgrval.a |
|
4 |
|
vtxdlfgrval.d |
|
5 |
4
|
fveq1i |
|
6 |
1 2 3
|
vtxdgval |
|
7 |
6
|
adantl |
|
8 |
5 7
|
eqtrid |
|
9 |
|
eqid |
|
10 |
2 3 9
|
lfgrnloop |
|
11 |
10
|
adantr |
|
12 |
11
|
fveq2d |
|
13 |
|
hash0 |
|
14 |
12 13
|
eqtrdi |
|
15 |
14
|
oveq2d |
|
16 |
2
|
dmeqi |
|
17 |
3 16
|
eqtri |
|
18 |
|
fvex |
|
19 |
18
|
dmex |
|
20 |
17 19
|
eqeltri |
|
21 |
20
|
rabex |
|
22 |
|
hashxnn0 |
|
23 |
|
xnn0xr |
|
24 |
21 22 23
|
mp2b |
|
25 |
|
xaddid1 |
|
26 |
24 25
|
mp1i |
|
27 |
8 15 26
|
3eqtrd |
|