Step |
Hyp |
Ref |
Expression |
1 |
|
tgrpset.h |
|
2 |
|
tgrpset.t |
|
3 |
|
tgrpset.g |
|
4 |
1
|
tgrpfset |
|
5 |
4
|
fveq1d |
|
6 |
|
fveq2 |
|
7 |
6
|
opeq2d |
|
8 |
|
eqidd |
|
9 |
6 6 8
|
mpoeq123dv |
|
10 |
9
|
opeq2d |
|
11 |
7 10
|
preq12d |
|
12 |
|
eqid |
|
13 |
|
prex |
|
14 |
11 12 13
|
fvmpt |
|
15 |
2
|
opeq2i |
|
16 |
|
eqid |
|
17 |
2 2 16
|
mpoeq123i |
|
18 |
17
|
opeq2i |
|
19 |
15 18
|
preq12i |
|
20 |
14 19
|
eqtr4di |
|
21 |
5 20
|
sylan9eq |
|
22 |
3 21
|
syl5eq |
|