Diophantine Set
A set 
of Positive integers is said to be Diophantine Iff there exists a Polynomial 
with integral coefficientsin 
indeterminates such that
It has been proved that the set of Prime numbers is a Diophantine set.
References
Ribenboim, P. The New Book of Prime Number Records. New York: Springer-Verlag, pp. 189-192, 1995.
- Sensitivity
- Sentence
- Separating Edge
- Separating Family
- Separation
- Separation of Variables
- Separation Theorem
- Separatrix
- Septendecillion
- Septillion
- Sequence
- Sequency
- Sequency Function
- Sequential Graph
- Series
- Series Expansion
- Series Inversion
- Series Multisection
- Series Reversion
- Serpentine Curve
- Serret-Frenet Formulas
- Set
- Set Difference
- Set Partition
- Set Theory