Step |
Hyp |
Ref |
Expression |
1 |
|
metequiv.3 |
|
2 |
|
metequiv.4 |
|
3 |
|
simprrr |
|
4 |
|
simplll |
|
5 |
|
simplr |
|
6 |
|
simprlr |
|
7 |
6
|
rpxrd |
|
8 |
|
simprll |
|
9 |
8
|
rpxrd |
|
10 |
|
simprrl |
|
11 |
|
ssbl |
|
12 |
4 5 7 9 10 11
|
syl221anc |
|
13 |
3 12
|
eqsstrrd |
|
14 |
|
simpllr |
|
15 |
|
ssbl |
|
16 |
14 5 7 9 10 15
|
syl221anc |
|
17 |
3 16
|
eqsstrd |
|
18 |
13 17
|
jca |
|
19 |
18
|
expr |
|
20 |
19
|
anassrs |
|
21 |
20
|
reximdva |
|
22 |
|
r19.40 |
|
23 |
21 22
|
syl6 |
|
24 |
23
|
ralimdva |
|
25 |
|
r19.26 |
|
26 |
24 25
|
syl6ib |
|
27 |
26
|
ralimdva |
|
28 |
1 2
|
metequiv |
|
29 |
27 28
|
sylibrd |
|