Description: The predicate "is a co-atom (lattice hyperplane)". (Contributed by NM, 11-May-2012)
Ref | Expression | ||
---|---|---|---|
Hypotheses | lhpset.b | |
|
lhpset.u | |
||
lhpset.c | |
||
lhpset.h | |
||
Assertion | islhp | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lhpset.b | |
|
2 | lhpset.u | |
|
3 | lhpset.c | |
|
4 | lhpset.h | |
|
5 | 1 2 3 4 | lhpset | |
6 | 5 | eleq2d | |
7 | breq1 | |
|
8 | 7 | elrab | |
9 | 6 8 | bitrdi | |