Step |
Hyp |
Ref |
Expression |
1 |
|
erdsze.n |
|
2 |
|
erdsze.f |
|
3 |
|
erdszelem.k |
|
4 |
|
erdszelem.o |
|
5 |
|
elfznn |
|
6 |
5
|
adantl |
|
7 |
|
elfz1end |
|
8 |
6 7
|
sylib |
|
9 |
8
|
snssd |
|
10 |
|
elsni |
|
11 |
|
elsni |
|
12 |
10 11
|
breqan12d |
|
13 |
12
|
adantl |
|
14 |
|
fzssuz |
|
15 |
|
uzssz |
|
16 |
|
zssre |
|
17 |
15 16
|
sstri |
|
18 |
14 17
|
sstri |
|
19 |
|
simpr |
|
20 |
19
|
adantr |
|
21 |
18 20
|
sseldi |
|
22 |
21
|
ltnrd |
|
23 |
22
|
pm2.21d |
|
24 |
13 23
|
sylbid |
|
25 |
24
|
ralrimivva |
|
26 |
|
f1f |
|
27 |
2 26
|
syl |
|
28 |
27
|
adantr |
|
29 |
19
|
snssd |
|
30 |
|
ltso |
|
31 |
|
soss |
|
32 |
18 30 31
|
mp2 |
|
33 |
|
soisores |
|
34 |
32 4 33
|
mpanl12 |
|
35 |
28 29 34
|
syl2anc |
|
36 |
25 35
|
mpbird |
|
37 |
|
snidg |
|
38 |
37
|
adantl |
|
39 |
|
eqid |
|
40 |
39
|
erdszelem1 |
|
41 |
9 36 38 40
|
syl3anbrc |
|