1. any distributive lattice;
2.
Subgp
for any abelian group
;
3.
Normal
for any group
(Dedekind);
4.
Subsp
for any vector space
;
5. the lattice of flats of any projective plane or projective geometry;
6. any sublattice, product, homomorphic image, or dual of a modular lattice;
7.
Ideals
for any modular lattice
.