Step |
Hyp |
Ref |
Expression |
1 |
|
gsumbagdiag.d |
|
2 |
|
gsumbagdiag.s |
|
3 |
|
gsumbagdiag.f |
|
4 |
|
gsumbagdiag.b |
|
5 |
|
gsumbagdiag.g |
|
6 |
|
gsumbagdiag.x |
|
7 |
|
eqid |
|
8 |
1
|
psrbaglefi |
|
9 |
3 8
|
syl |
|
10 |
2 9
|
eqeltrid |
|
11 |
|
ovex |
|
12 |
1 11
|
rab2ex |
|
13 |
12
|
a1i |
|
14 |
|
xpfi |
|
15 |
10 10 14
|
syl2anc |
|
16 |
|
simprl |
|
17 |
1 2 3
|
gsumbagdiaglem |
|
18 |
17
|
simpld |
|
19 |
|
brxp |
|
20 |
16 18 19
|
sylanbrc |
|
21 |
20
|
pm2.24d |
|
22 |
21
|
impr |
|
23 |
1 2 3
|
gsumbagdiaglem |
|
24 |
17 23
|
impbida |
|
25 |
4 7 5 10 13 6 15 22 10 24
|
gsumcom2 |
|