Step |
Hyp |
Ref |
Expression |
1 |
|
cnclsi.1 |
|
2 |
|
cntop1 |
|
3 |
2
|
adantr |
|
4 |
|
cnvimass |
|
5 |
|
eqid |
|
6 |
1 5
|
cnf |
|
7 |
6
|
adantr |
|
8 |
4 7
|
fssdm |
|
9 |
|
simpr |
|
10 |
7
|
fdmd |
|
11 |
9 10
|
sseqtrrd |
|
12 |
|
sseqin2 |
|
13 |
11 12
|
sylib |
|
14 |
|
dminss |
|
15 |
13 14
|
eqsstrrdi |
|
16 |
1
|
clsss |
|
17 |
3 8 15 16
|
syl3anc |
|
18 |
|
imassrn |
|
19 |
7
|
frnd |
|
20 |
18 19
|
sstrid |
|
21 |
5
|
cncls2i |
|
22 |
20 21
|
syldan |
|
23 |
17 22
|
sstrd |
|
24 |
7
|
ffund |
|
25 |
1
|
clsss3 |
|
26 |
2 25
|
sylan |
|
27 |
26 10
|
sseqtrrd |
|
28 |
|
funimass3 |
|
29 |
24 27 28
|
syl2anc |
|
30 |
23 29
|
mpbird |
|