Step |
Hyp |
Ref |
Expression |
1 |
|
finsumvtxdg2sstep.v |
|
2 |
|
finsumvtxdg2sstep.e |
|
3 |
|
finsumvtxdg2sstep.k |
|
4 |
|
finsumvtxdg2sstep.i |
|
5 |
|
finsumvtxdg2sstep.p |
|
6 |
|
finsumvtxdg2sstep.s |
|
7 |
|
finsumvtxdg2ssteplem.j |
|
8 |
|
upgruhgr |
|
9 |
2
|
uhgrfun |
|
10 |
8 9
|
syl |
|
11 |
10
|
ad2antrr |
|
12 |
|
simprr |
|
13 |
4
|
ssrab3 |
|
14 |
13
|
a1i |
|
15 |
|
hashreshashfun |
|
16 |
11 12 14 15
|
syl3anc |
|
17 |
5
|
eqcomi |
|
18 |
17
|
fveq2i |
|
19 |
18
|
a1i |
|
20 |
|
notrab |
|
21 |
4
|
difeq2i |
|
22 |
|
nnel |
|
23 |
22
|
bicomi |
|
24 |
23
|
rabbii |
|
25 |
7 24
|
eqtri |
|
26 |
20 21 25
|
3eqtr4i |
|
27 |
26
|
a1i |
|
28 |
27
|
fveq2d |
|
29 |
19 28
|
oveq12d |
|
30 |
16 29
|
eqtrd |
|