Step |
Hyp |
Ref |
Expression |
1 |
|
dvhfvadd.h |
|
2 |
|
dvhfvadd.t |
|
3 |
|
dvhfvadd.e |
|
4 |
|
dvhfvadd.u |
|
5 |
|
dvhfvadd.f |
|
6 |
|
dvhfvadd.p |
|
7 |
|
dvhfvadd.a |
|
8 |
|
dvhfvadd.s |
|
9 |
|
eqid |
|
10 |
1 2 3 9 4
|
dvhset |
|
11 |
10
|
fveq2d |
|
12 |
1 9 4 5
|
dvhsca |
|
13 |
12
|
fveq2d |
|
14 |
6 13
|
syl5eq |
|
15 |
14
|
oveqd |
|
16 |
15
|
3ad2ant1 |
|
17 |
|
xp2nd |
|
18 |
|
xp2nd |
|
19 |
17 18
|
anim12i |
|
20 |
|
eqid |
|
21 |
1 2 3 9 20
|
erngplus |
|
22 |
19 21
|
sylan2 |
|
23 |
22
|
3impb |
|
24 |
16 23
|
eqtrd |
|
25 |
24
|
opeq2d |
|
26 |
25
|
mpoeq3dva |
|
27 |
2
|
fvexi |
|
28 |
3
|
fvexi |
|
29 |
27 28
|
xpex |
|
30 |
29 29
|
mpoex |
|
31 |
|
eqid |
|
32 |
31
|
lmodplusg |
|
33 |
30 32
|
ax-mp |
|
34 |
26 33
|
eqtr2di |
|
35 |
11 34
|
eqtrd |
|
36 |
35 8 7
|
3eqtr4g |
|