Step |
Hyp |
Ref |
Expression |
1 |
|
fsumrp0cl.1 |
|
2 |
|
fsumrp0cl.2 |
|
3 |
|
rge0ssre |
|
4 |
|
ax-resscn |
|
5 |
3 4
|
sstri |
|
6 |
5
|
a1i |
|
7 |
|
simprl |
|
8 |
3 7
|
sselid |
|
9 |
|
simprr |
|
10 |
3 9
|
sselid |
|
11 |
8 10
|
readdcld |
|
12 |
11
|
rexrd |
|
13 |
|
0xr |
|
14 |
|
pnfxr |
|
15 |
|
elico1 |
|
16 |
13 14 15
|
mp2an |
|
17 |
16
|
simp2bi |
|
18 |
7 17
|
syl |
|
19 |
|
elico1 |
|
20 |
13 14 19
|
mp2an |
|
21 |
20
|
simp2bi |
|
22 |
9 21
|
syl |
|
23 |
8 10 18 22
|
addge0d |
|
24 |
|
ltpnf |
|
25 |
11 24
|
syl |
|
26 |
|
elico1 |
|
27 |
13 14 26
|
mp2an |
|
28 |
12 23 25 27
|
syl3anbrc |
|
29 |
|
0e0icopnf |
|
30 |
29
|
a1i |
|
31 |
6 28 1 2 30
|
fsumcllem |
|