Step |
Hyp |
Ref |
Expression |
1 |
|
eqrelrd2.1 |
|
2 |
|
eqrelrd2.2 |
|
3 |
|
eqrelrd2.3 |
|
4 |
|
eqrelrd2.4 |
|
5 |
|
eqrelrd2.5 |
|
6 |
|
eqrelrd2.6 |
|
7 |
|
eqrelrd2.7 |
|
8 |
2 7
|
alrimi |
|
9 |
1 8
|
alrimi |
|
10 |
9
|
adantl |
|
11 |
1 2 3 4 5 6
|
ssrelf |
|
12 |
1 2 5 6 3 4
|
ssrelf |
|
13 |
11 12
|
bi2anan9 |
|
14 |
|
eqss |
|
15 |
|
2albiim |
|
16 |
13 14 15
|
3bitr4g |
|
17 |
16
|
adantr |
|
18 |
10 17
|
mpbird |
|