Josh's teachers describe him as a mathematical genius. His parents did not get any education after high school. They have hired Josh a tutor even though they do not understand why Josh needs to understand string theory and quantum physics. The tutoring that Josh receives has a high degree of _____ for Josh's parents.
A. Nonsearchability
B. Abstractness
C. Incorporeal existence
D. Generality vs. specificity
E. Mental impalpability
Answer: E. Mental impalpability