title: Usul
text: # Usul
  
  Usul may refer to:
  
  ## Ideas
  
  * Usul al-fiqh, the principles of Islamic jurisprudence
  * Usul al-Din, the principles of Islamic religion
  * Usul (music), a rhythmic pattern used in Ottoman classical music.
  
  ## Characters
  
  * Usul, the secret tribal name of Paul Atreides in Frank Herbert's Dune novels
  * a species in Neopets
  