Step |
Hyp |
Ref |
Expression |
1 |
|
gsumdifsndf.k |
|
2 |
|
gsumdifsndf.n |
|
3 |
|
gsumdifsndf.b |
|
4 |
|
gsumdifsndf.p |
|
5 |
|
gsumdifsndf.g |
|
6 |
|
gsumdifsndf.a |
|
7 |
|
gsumdifsndf.f |
|
8 |
|
gsumdifsndf.e |
|
9 |
|
gsumdifsndf.m |
|
10 |
|
gsumdifsndf.y |
|
11 |
|
gsumdifsndf.s |
|
12 |
|
eqid |
|
13 |
9
|
snssd |
|
14 |
|
difin2 |
|
15 |
13 14
|
syl |
|
16 |
|
difid |
|
17 |
15 16
|
eqtr3di |
|
18 |
|
difsnid |
|
19 |
9 18
|
syl |
|
20 |
19
|
eqcomd |
|
21 |
2 3 12 4 5 6 8 7 17 20
|
gsumsplit2f |
|
22 |
|
cmnmnd |
|
23 |
5 22
|
syl |
|
24 |
3 23 9 10 11 2 1
|
gsumsnfd |
|
25 |
24
|
oveq2d |
|
26 |
21 25
|
eqtrd |
|