Description: Less-than property of a lattice automorphism. (Contributed by NM, 20-May-2012)
Ref | Expression | ||
---|---|---|---|
Hypotheses | lautlt.b | |
|
lautlt.s | |
||
lautlt.i | |
||
Assertion | lautlt | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lautlt.b | |
|
2 | lautlt.s | |
|
3 | lautlt.i | |
|
4 | simpl | |
|
5 | simpr1 | |
|
6 | simpr2 | |
|
7 | simpr3 | |
|
8 | eqid | |
|
9 | 1 8 3 | lautle | |
10 | 4 5 6 7 9 | syl22anc | |
11 | 1 3 | laut11 | |
12 | 4 5 6 7 11 | syl22anc | |
13 | 12 | bicomd | |
14 | 13 | necon3bid | |
15 | 10 14 | anbi12d | |
16 | 8 2 | pltval | |
17 | 16 | 3adant3r1 | |
18 | 1 3 | lautcl | |
19 | 4 5 6 18 | syl21anc | |
20 | 1 3 | lautcl | |
21 | 4 5 7 20 | syl21anc | |
22 | 8 2 | pltval | |
23 | 4 19 21 22 | syl3anc | |
24 | 15 17 23 | 3bitr4d | |