Step |
Hyp |
Ref |
Expression |
1 |
|
metequiv.3 |
|
2 |
|
metequiv.4 |
|
3 |
|
metss2.1 |
|
4 |
|
metss2.2 |
|
5 |
|
metss2.3 |
|
6 |
|
metss2.4 |
|
7 |
4
|
ad2antrr |
|
8 |
|
simplrl |
|
9 |
|
simpr |
|
10 |
|
metcl |
|
11 |
7 8 9 10
|
syl3anc |
|
12 |
|
simplrr |
|
13 |
12
|
rpred |
|
14 |
5
|
ad2antrr |
|
15 |
11 13 14
|
ltmuldiv2d |
|
16 |
6
|
anassrs |
|
17 |
16
|
adantlrr |
|
18 |
3
|
ad2antrr |
|
19 |
|
metcl |
|
20 |
18 8 9 19
|
syl3anc |
|
21 |
14
|
rpred |
|
22 |
21 11
|
remulcld |
|
23 |
|
lelttr |
|
24 |
20 22 13 23
|
syl3anc |
|
25 |
17 24
|
mpand |
|
26 |
15 25
|
sylbird |
|
27 |
26
|
ss2rabdv |
|
28 |
|
metxmet |
|
29 |
4 28
|
syl |
|
30 |
29
|
adantr |
|
31 |
|
simprl |
|
32 |
|
simpr |
|
33 |
|
rpdivcl |
|
34 |
32 5 33
|
syl2anr |
|
35 |
34
|
rpxrd |
|
36 |
|
blval |
|
37 |
30 31 35 36
|
syl3anc |
|
38 |
|
metxmet |
|
39 |
3 38
|
syl |
|
40 |
39
|
adantr |
|
41 |
|
rpxr |
|
42 |
41
|
ad2antll |
|
43 |
|
blval |
|
44 |
40 31 42 43
|
syl3anc |
|
45 |
27 37 44
|
3sstr4d |
|