Step |
Hyp |
Ref |
Expression |
1 |
|
abl4pnp.1 |
|
2 |
|
abl4pnp.2 |
|
3 |
|
df-3an |
|
4 |
1 2
|
ablomuldiv |
|
5 |
3 4
|
sylan2br |
|
6 |
5
|
adantrrr |
|
7 |
6
|
oveq1d |
|
8 |
|
ablogrpo |
|
9 |
1
|
grpocl |
|
10 |
9
|
3expib |
|
11 |
8 10
|
syl |
|
12 |
11
|
anim1d |
|
13 |
|
3anass |
|
14 |
12 13
|
syl6ibr |
|
15 |
14
|
imp |
|
16 |
1 2
|
ablodivdiv4 |
|
17 |
15 16
|
syldan |
|
18 |
1 2
|
grpodivcl |
|
19 |
18
|
3expib |
|
20 |
19
|
anim1d |
|
21 |
|
an4 |
|
22 |
|
3anass |
|
23 |
20 21 22
|
3imtr4g |
|
24 |
23
|
imp |
|
25 |
1 2
|
grpomuldivass |
|
26 |
24 25
|
syldan |
|
27 |
8 26
|
sylan |
|
28 |
7 17 27
|
3eqtr3d |
|