Step |
Hyp |
Ref |
Expression |
1 |
|
isumcl.1 |
|
2 |
|
isumcl.2 |
|
3 |
|
isumcl.3 |
|
4 |
|
isumcl.4 |
|
5 |
|
isumcl.5 |
|
6 |
|
summulc.6 |
|
7 |
|
eqidd |
|
8 |
6
|
adantr |
|
9 |
8 4
|
mulcld |
|
10 |
9
|
fmpttd |
|
11 |
10
|
ffvelrnda |
|
12 |
1 2 3 4 5
|
isumclim2 |
|
13 |
3 4
|
eqeltrd |
|
14 |
13
|
ralrimiva |
|
15 |
|
fveq2 |
|
16 |
15
|
eleq1d |
|
17 |
16
|
rspccva |
|
18 |
14 17
|
sylan |
|
19 |
|
simpr |
|
20 |
|
ovex |
|
21 |
|
eqid |
|
22 |
21
|
fvmpt2 |
|
23 |
19 20 22
|
sylancl |
|
24 |
3
|
oveq2d |
|
25 |
23 24
|
eqtr4d |
|
26 |
25
|
ralrimiva |
|
27 |
|
nffvmpt1 |
|
28 |
27
|
nfeq1 |
|
29 |
|
fveq2 |
|
30 |
15
|
oveq2d |
|
31 |
29 30
|
eqeq12d |
|
32 |
28 31
|
rspc |
|
33 |
26 32
|
mpan9 |
|
34 |
1 2 6 12 18 33
|
isermulc2 |
|
35 |
1 2 7 11 34
|
isumclim |
|
36 |
|
sumfc |
|
37 |
35 36
|
eqtr3di |
|