statements of the common denominators of knowledge (also called The Qs), written by L. Ron Hubbard in 1952. Knowledge is a pyramid, and knowledge as a pyramidhas a common denominator which evaluates all other data below it. At the top point of this pyramid, we have what could be called a Q, and it could also b e called a common denominator. It is in common to every other datum in this pyramid full of data. The Qs (Prelogics) are the highest echelon from which all other things are derived. —TRs and Objs Crs Glossary Final approval 25.4.90