Description: The join of 3 different atoms is a lattice plane. (Contributed by NM, 4-Jul-2012)
Ref | Expression | ||
---|---|---|---|
Hypotheses | lplni2.l | |
|
lplni2.j | |
||
lplni2.a | |
||
lplni2.p | |
||
Assertion | lplni2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lplni2.l | |
|
2 | lplni2.j | |
|
3 | lplni2.a | |
|
4 | lplni2.p | |
|
5 | simp2 | |
|
6 | simp3l | |
|
7 | simp3r | |
|
8 | eqidd | |
|
9 | neeq1 | |
|
10 | oveq1 | |
|
11 | 10 | breq2d | |
12 | 11 | notbid | |
13 | 10 | oveq1d | |
14 | 13 | eqeq2d | |
15 | 9 12 14 | 3anbi123d | |
16 | neeq2 | |
|
17 | oveq2 | |
|
18 | 17 | breq2d | |
19 | 18 | notbid | |
20 | 17 | oveq1d | |
21 | 20 | eqeq2d | |
22 | 16 19 21 | 3anbi123d | |
23 | breq1 | |
|
24 | 23 | notbid | |
25 | oveq2 | |
|
26 | 25 | eqeq2d | |
27 | 24 26 | 3anbi23d | |
28 | 15 22 27 | rspc3ev | |
29 | 5 6 7 8 28 | syl13anc | |
30 | simp1 | |
|
31 | hllat | |
|
32 | 31 | 3ad2ant1 | |
33 | simp21 | |
|
34 | simp22 | |
|
35 | eqid | |
|
36 | 35 2 3 | hlatjcl | |
37 | 30 33 34 36 | syl3anc | |
38 | simp23 | |
|
39 | 35 3 | atbase | |
40 | 38 39 | syl | |
41 | 35 2 | latjcl | |
42 | 32 37 40 41 | syl3anc | |
43 | 35 1 2 3 4 | islpln5 | |
44 | 30 42 43 | syl2anc | |
45 | 29 44 | mpbird | |