Idea am dle Given a lattice and sublattice p and i as shown in the following Figure, where P=a,0 and I=0f Figure: Ideal and prime idealIdeal . Example . . Given a lattice and sublattice P and I as shown in the following Figure, where P = {a, 0} and I = {0}. 0 a b 1 I P Figure : Ideal and prime ideal Yi Li (Fudan University) Discrete Mathematics March 5, 2013 5 / 17