Step |
Hyp |
Ref |
Expression |
1 |
|
latjass.b |
|
2 |
|
latjass.j |
|
3 |
|
simpl |
|
4 |
|
simpr3 |
|
5 |
|
simpr1 |
|
6 |
|
simpr2 |
|
7 |
1 2
|
latj12 |
|
8 |
3 4 5 6 7
|
syl13anc |
|
9 |
1 2
|
latjcl |
|
10 |
9
|
3adant3r3 |
|
11 |
1 2
|
latjcom |
|
12 |
3 10 4 11
|
syl3anc |
|
13 |
1 2
|
latjcl |
|
14 |
3 4 6 13
|
syl3anc |
|
15 |
1 2
|
latjcom |
|
16 |
3 14 5 15
|
syl3anc |
|
17 |
8 12 16
|
3eqtr4d |
|