Step |
Hyp |
Ref |
Expression |
1 |
|
grpinvval.b |
|
2 |
|
grpinvval.p |
|
3 |
|
grpinvval.o |
|
4 |
|
grpinvval.n |
|
5 |
|
fveq2 |
|
6 |
5 1
|
eqtr4di |
|
7 |
|
fveq2 |
|
8 |
7 2
|
eqtr4di |
|
9 |
8
|
oveqd |
|
10 |
|
fveq2 |
|
11 |
10 3
|
eqtr4di |
|
12 |
9 11
|
eqeq12d |
|
13 |
6 12
|
riotaeqbidv |
|
14 |
6 13
|
mpteq12dv |
|
15 |
|
df-minusg |
|
16 |
14 15 1
|
mptfvmpt |
|
17 |
|
fvprc |
|
18 |
|
mpt0 |
|
19 |
17 18
|
eqtr4di |
|
20 |
|
fvprc |
|
21 |
1 20
|
eqtrid |
|
22 |
21
|
mpteq1d |
|
23 |
19 22
|
eqtr4d |
|
24 |
16 23
|
pm2.61i |
|
25 |
4 24
|
eqtri |
|