title: Density theorem
text: # Density theorem
  
  In mathematics, density theorem may refer to
  
  * Density conjecture for Kleinian groups
  * Chebotarev's density theorem in algebraic number theory
  * Jacobson density theorem in algebra
  * Kaplansky density theorem in algebra
  * Lebesgue's density theorem in measure theory
  * Density theorem (category theory) in category theory
  