Description: Rotate lattice join of 3 classes. (Contributed by NM, 23-Jul-2012)
Ref | Expression | ||
---|---|---|---|
Hypotheses | latjass.b | |
|
latjass.j | |
||
Assertion | latjrot | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | latjass.b | |
|
2 | latjass.j | |
|
3 | 1 2 | latj31 | |
4 | simpl | |
|
5 | simpr3 | |
|
6 | simpr2 | |
|
7 | simpr1 | |
|
8 | 1 2 | latj32 | |
9 | 4 5 6 7 8 | syl13anc | |
10 | 3 9 | eqtrd | |