| Step |
Hyp |
Ref |
Expression |
| 1 |
|
ax-hv0cl |
|
| 2 |
|
lnopl |
|
| 3 |
1 2
|
mpanr2 |
|
| 4 |
3
|
3impa |
|
| 5 |
|
hvmulcl |
|
| 6 |
|
ax-hvaddid |
|
| 7 |
5 6
|
syl |
|
| 8 |
7
|
3adant1 |
|
| 9 |
8
|
fveq2d |
|
| 10 |
|
lnop0 |
|
| 11 |
10
|
oveq2d |
|
| 12 |
11
|
3ad2ant1 |
|
| 13 |
|
lnopf |
|
| 14 |
13
|
ffvelcdmda |
|
| 15 |
|
hvmulcl |
|
| 16 |
14 15
|
sylan2 |
|
| 17 |
16
|
3impb |
|
| 18 |
17
|
3com12 |
|
| 19 |
|
ax-hvaddid |
|
| 20 |
18 19
|
syl |
|
| 21 |
12 20
|
eqtrd |
|
| 22 |
4 9 21
|
3eqtr3d |
|