Step |
Hyp |
Ref |
Expression |
1 |
|
mendvscafval.a |
|
2 |
|
mendvscafval.v |
|
3 |
|
mendvscafval.b |
|
4 |
|
mendvscafval.s |
|
5 |
|
mendvscafval.k |
|
6 |
|
mendvscafval.e |
|
7 |
1
|
fveq2i |
|
8 |
1
|
mendbas |
|
9 |
3 8
|
eqtr4i |
|
10 |
|
eqid |
|
11 |
|
eqid |
|
12 |
|
eqid |
|
13 |
6
|
xpeq1i |
|
14 |
|
eqid |
|
15 |
|
ofeq |
|
16 |
2 15
|
ax-mp |
|
17 |
13 14 16
|
oveq123i |
|
18 |
5 12 17
|
mpoeq123i |
|
19 |
9 10 11 4 18
|
mendval |
|
20 |
19
|
fveq2d |
|
21 |
5
|
fvexi |
|
22 |
3
|
fvexi |
|
23 |
21 22
|
mpoex |
|
24 |
|
eqid |
|
25 |
24
|
algvsca |
|
26 |
23 25
|
mp1i |
|
27 |
20 26
|
eqtr4d |
|
28 |
|
fvprc |
|
29 |
28
|
fveq2d |
|
30 |
|
df-vsca |
|
31 |
30
|
str0 |
|
32 |
29 31
|
eqtr4di |
|
33 |
|
fvprc |
|
34 |
4 33
|
syl5eq |
|
35 |
34
|
fveq2d |
|
36 |
|
base0 |
|
37 |
35 5 36
|
3eqtr4g |
|
38 |
37
|
orcd |
|
39 |
|
0mpo0 |
|
40 |
38 39
|
syl |
|
41 |
32 40
|
eqtr4d |
|
42 |
27 41
|
pm2.61i |
|
43 |
7 42
|
eqtri |
|