Batil

Part of a series on Islam
Usul al-fiqh
(The Roots of Jurisprudence)

• Quran and Sunnah
  
• Taqlid (imitation)
  
• Ijtihad (interpretation)
  
• Ijma (consensus)
• Madh'hab (school of law)
  
• Minhaj (method)
  
• Qiyas (analogical reasoning)
  
• Urf (society custom)
  
• Bid‘ah (innovation)
• Madrasah (school/seminary)
• Ijazah (authorization)
• Istihlal (legalization)
• Istihsan (discretion)
• Risalah (dissertation)

• Halal (legal)
• Wajib/Fard (obligatory, duty)
• Mustahabb (favoured)
• Mubah (neutral)
• Makruh (disliked, abominable)
• Haraam (illegal, prohibited)
• Baatil (void, incorrect)
• Fasiq (corrupt)

• Mujtahid (scholar of Islamic law with comprehensive understanding of the texts and reality)
• Marja (authority)
• Alim (scholar; pl. Ulema)
• Mufti (cleric)
• Mufassir (interpreter)
• Qadi (judge)
• Faqīh (professional counselor/jurist)
• Muhaddith (narrator)
• Mullah (scholar; pl. Ulema)
• Imam (Sunni and Shia)
• Mawlawi (scholar; pl. Ulema)
• Sheikh (elderly person, respected person, also sometimes scholar; pl. Ulema)
• Mujaddid (renewer)
• Hafiz
• Hujja
• Hakim
• Amir al-Mu'minin in reg. hadith
• Maulana (scholar; pl. Ulema)