Matroid Lattices of Infinite Length
Fumitomo Maeda · Hiroshima Mathematical Journal · 1951
In a lattice L, consider the following conditions: L7R.Given a<x<b, y exists with x.._,,y=b, x,-,y=a.L7R'.Every element of L is the join of points.(E') If a and b cover c, and a=t=b, then a.._,,b covers a and b.( 77 ') If p, q are points, and a