Step |
Hyp |
Ref |
Expression |
1 |
|
addcl |
|
2 |
1
|
anim1i |
|
3 |
2
|
3impa |
|
4 |
|
homval |
|
5 |
4
|
3expa |
|
6 |
3 5
|
sylan |
|
7 |
|
homval |
|
8 |
7
|
3expa |
|
9 |
8
|
3adantl2 |
|
10 |
|
homval |
|
11 |
10
|
3expa |
|
12 |
11
|
3adantl1 |
|
13 |
9 12
|
oveq12d |
|
14 |
|
ffvelrn |
|
15 |
|
ax-hvdistr2 |
|
16 |
14 15
|
syl3an3 |
|
17 |
16
|
3exp |
|
18 |
17
|
exp4a |
|
19 |
18
|
3imp1 |
|
20 |
13 19
|
eqtr4d |
|
21 |
6 20
|
eqtr4d |
|
22 |
|
homulcl |
|
23 |
|
homulcl |
|
24 |
22 23
|
anim12i |
|
25 |
24
|
3impdir |
|
26 |
|
hosval |
|
27 |
26
|
3expa |
|
28 |
25 27
|
sylan |
|
29 |
21 28
|
eqtr4d |
|
30 |
29
|
ralrimiva |
|
31 |
|
homulcl |
|
32 |
1 31
|
stoic3 |
|
33 |
|
hoaddcl |
|
34 |
22 23 33
|
syl2an |
|
35 |
34
|
3impdir |
|
36 |
|
hoeq |
|
37 |
32 35 36
|
syl2anc |
|
38 |
30 37
|
mpbid |
|