11.   The children are taught the basic concepts of mathematics.

12.   The fact that many people still do not understand this basic concept is both puzzling and troubling.

13.   The first year of the course introduces the basic concepts of management.

14.   There is no other secret to success than this basic concept.

15.   They are scrambling definitions of basic concepts like quality, time, and values.

16.   With stakes this high, we have not dared to tamper with the basic concept of motherhood.

17.   She is familiar with basic concepts of psychology.

18.   When the basic concepts have been established the assumption of certainty will be removed.

19.   Although some believe that the institute is unnecessary, an academy panel is expected next month to endorse the basic concept and to propose a possible structure.