Example image of eyePlorer eyePlorer map for 'Eisenstein's criterion': Gauss's lemma (polynomial) Integer Irreducible polynomial Mathematics Necessary and sufficient condition Polynomial Rational number Coefficient Prime number Root (mathematics) Constant term Cyclotomic polynomial Ferdinand Eisenstein Crelle's Journal Monomial Convex hull Newton polygon P-adic number P-adic order Ramification Discriminant Linear algebra Field of fractions Primitive polynomial Inverse Galois problem Criterion Root of unity