| Step |
Hyp |
Ref |
Expression |
| 1 |
|
gsummulgc1.b |
|
| 2 |
|
gsummulgc1.t |
|
| 3 |
|
gsummulgc1.r |
|
| 4 |
|
gsummulgc1.a |
|
| 5 |
|
gsummulgc1.y |
|
| 6 |
|
gsummulgc1.x |
|
| 7 |
|
zringbas |
|
| 8 |
|
zring0 |
|
| 9 |
|
zringring |
|
| 10 |
|
ringcmn |
|
| 11 |
9 10
|
mp1i |
|
| 12 |
3
|
grpmndd |
|
| 13 |
|
eqid |
|
| 14 |
2 13 1
|
mulgghm2 |
|
| 15 |
3 5 14
|
syl2anc |
|
| 16 |
|
ghmmhm |
|
| 17 |
15 16
|
syl |
|
| 18 |
|
eqid |
|
| 19 |
|
0zd |
|
| 20 |
18 4 6 19
|
fsuppmptdm |
|
| 21 |
|
oveq1 |
|
| 22 |
|
oveq1 |
|
| 23 |
7 8 11 12 4 17 6 20 21 22
|
gsummhm2 |
|
| 24 |
4 6
|
gsumzrsum |
|
| 25 |
24
|
oveq1d |
|
| 26 |
23 25
|
eqtrd |
|