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 | syl6bb |