Sub-Cube Dimensions
lThe dimension of a sub-cube is
 
n minus (number of variables in the corresponding product term)

lwhere n is the total number of variables.
lExamples: 3 variables total:
ldimension 0: 3 variables
ldimension 1: 2 variables
ldimension 2: 1 variables
ldimension 3: 0 variables (= constant 1)

lÒMore is lessÓ (Greater dimension, fewer variables)