No CrossRef data available.
Published online by Cambridge University Press: 20 November 2018
The class of all combinatorial geometries of rank three shall coincide with the class of all pairs (V, S) such that V is a set and S is a collection of non-empty subsets of V such that each pair of distinct elements of V belong to exactly one member of S. (See [3].)
Consider a combinatorial geometry (V, S) of rank three.