Step |
Hyp |
Ref |
Expression |
1 |
|
pser.g |
|
2 |
|
radcnv.a |
|
3 |
|
fveq2 |
|
4 |
3
|
seqeq3d |
|
5 |
4
|
eleq1d |
|
6 |
|
0red |
|
7 |
|
nn0uz |
|
8 |
|
0zd |
|
9 |
|
snfi |
|
10 |
9
|
a1i |
|
11 |
|
0nn0 |
|
12 |
11
|
a1i |
|
13 |
12
|
snssd |
|
14 |
|
ifid |
|
15 |
|
0cnd |
|
16 |
1
|
pserval2 |
|
17 |
15 16
|
sylan |
|
18 |
17
|
adantr |
|
19 |
|
simpr |
|
20 |
|
elnn0 |
|
21 |
19 20
|
sylib |
|
22 |
21
|
ord |
|
23 |
|
velsn |
|
24 |
22 23
|
syl6ibr |
|
25 |
24
|
con1d |
|
26 |
25
|
imp |
|
27 |
26
|
0expd |
|
28 |
27
|
oveq2d |
|
29 |
2
|
ffvelrnda |
|
30 |
29
|
adantr |
|
31 |
30
|
mul01d |
|
32 |
18 28 31
|
3eqtrd |
|
33 |
32
|
ifeq2da |
|
34 |
14 33
|
syl5eqr |
|
35 |
13
|
sselda |
|
36 |
1 2 15
|
psergf |
|
37 |
36
|
ffvelrnda |
|
38 |
35 37
|
syldan |
|
39 |
7 8 10 13 34 38
|
fsumcvg3 |
|
40 |
5 6 39
|
elrabd |
|