Keywords: Predicate logic; pairs; 1 bit hypercube nodes.svg Patterns of the 1 bit nodes in hypercubes like 80px 120px 200px In the n-th array all fields that contain the number n are colored If n is smaller than the second number the field is green if not it is violet Inkscape own 2013 mate2code Triangular n choose 2 arrays Predicate logic; pairs |