A set of positive integers is said to be Diophantine iff there exists a polynomial with integral coefficients in indeterminates such that
It has been proved that the set of prime numbers is a Diophantine set.
A set of positive integers is said to be Diophantine iff there exists a polynomial with integral coefficients in indeterminates such that
It has been proved that the set of prime numbers is a Diophantine set.
Weisstein, Eric W. "Diophantine Set." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/DiophantineSet.html