In the first part of this paper, the concept of logical reduction is presented. Minimal preferred variable inequalities are introduced, and algorithms are given for their calculation. A simple ...

Version 1: Given the following statement: "There are six times as many students as professors at this university." Write an equation that represents the above statement. Use S for the number of ...

Missing values for variables in programming statements are treated in the same way that missing values are treated in the DATA step; that is, missing values used in expressions propagate missing ...