Lattice theory
= Lattice theory
{wiki=Lattice_theory}
Lattice theory is a branch of abstract algebra that studies mathematical structures known as lattices. A lattice is a partially ordered set (poset) in which every two elements have a unique supremum (least upper bound, also known as join) and an infimum (greatest lower bound, also known as meet). \#\#\# Key Concepts in Lattice Theory 1.