Gauss's lemma
Gauss's lemma
can mean any of several mathematical lemmas named after Carl Friedrich Gauss:
Gauss's lemma (polynomials)
, the greatest common divisor of the coefficients is a multiplicative function
Gauss's lemma (number theory)
, condition under which an integer is a quadratic residue
Gauss's lemma (Riemannian geometry)
, theorem in manifold theory
A generalization of
Euclid's lemma
is sometimes called Gauss's lemma