Description: Property of a lattice plane expressed as the join of 3 atoms. (Contributed by NM, 30-Jul-2012) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | lplnri1.j | |
|
lplnri1.a | |
||
lplnri1.p | |
||
lplnri1.y | |
||
Assertion | lplnri3N | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lplnri1.j | |
|
2 | lplnri1.a | |
|
3 | lplnri1.p | |
|
4 | lplnri1.y | |
|
5 | simp1 | |
|
6 | simp22 | |
|
7 | simp21 | |
|
8 | simp23 | |
|
9 | eqid | |
|
10 | 9 1 2 3 4 | lplnribN | |
11 | 9 1 2 | atnlej2 | |
12 | 5 6 7 8 10 11 | syl131anc | |