Step |
Hyp |
Ref |
Expression |
1 |
|
mendplusgfval.a |
|
2 |
|
mendplusgfval.b |
|
3 |
|
mendplusgfval.p |
|
4 |
1
|
mendbas |
|
5 |
2 4
|
eqtr4i |
|
6 |
|
ofeq |
|
7 |
3 6
|
ax-mp |
|
8 |
7
|
oveqi |
|
9 |
8
|
a1i |
|
10 |
9
|
mpoeq3ia |
|
11 |
|
eqid |
|
12 |
|
eqid |
|
13 |
|
eqid |
|
14 |
5 10 11 12 13
|
mendval |
|
15 |
1 14
|
syl5eq |
|
16 |
15
|
fveq2d |
|
17 |
2
|
fvexi |
|
18 |
17 17
|
mpoex |
|
19 |
|
eqid |
|
20 |
19
|
algaddg |
|
21 |
18 20
|
mp1i |
|
22 |
16 21
|
eqtr4d |
|
23 |
|
fvprc |
|
24 |
1 23
|
syl5eq |
|
25 |
24
|
fveq2d |
|
26 |
|
df-plusg |
|
27 |
26
|
str0 |
|
28 |
25 27
|
eqtr4di |
|
29 |
24
|
fveq2d |
|
30 |
|
base0 |
|
31 |
29 2 30
|
3eqtr4g |
|
32 |
31
|
olcd |
|
33 |
|
0mpo0 |
|
34 |
32 33
|
syl |
|
35 |
28 34
|
eqtr4d |
|
36 |
22 35
|
pm2.61i |
|