There are many ways to classify ahadith. One method is by authenticity: is it saheeh (authentic beyond question), hassan (good), da'eef (weak), or mawdoo' (fabricated?)

In my answer on another question, I mentioned a hadith that's recorded in At-Tirmidhi, which is Hassan (according to my source). Although that example did not have a hadith which scholars derived a ruling from, it raised this question:

What kinds of ahadith do scholars derive fiqh from, in terms of authenticity?

I'm not interested in that discussion about tawaatur, so please don't mention that in your answer.

  • 1
    Are you asking for a minimum requirement?
    – Abdullah
    Commented Oct 17, 2012 at 19:36
  • 1
    Yes, I think so.
    – ashes999
    Commented Oct 18, 2012 at 0:59

2 Answers 2


There is no consensus as to exactly which hadiths are to be used to derive fiqh; that's one of the reasons (but hardly the only one) the madhahib are so often disparate in their rulings.

While the four major Sunni madhahib accept Sunnah as one of the major sources of Islamic law, second only to the Qur'an, they differed on exactly which ahadith properly reflected this Sunnah:

  • Hanafi: Not only did a hadith need to be sahih, it also needed to be mash'hur.
  • Maliki: Even sahih hadith could be rejected if they conflicted with customary practice of Medina.
  • Shafi'i: Only sahih hadith were to be used; no other conditions.
  • Hanbali: Only marfu' hadiths were to be used (even if they weren't sahih); da'if hadiths in general were also used in preference to qiyas.

This doesn't even get into the minor or non-Sunni schools, not to mention those scholars who follow no single madh'hab. And, of course, any two scholars can disagree on whether any given hadith is even sahih in the first place.

Primary reference: The Evolution of Fiqh, by Dr Bilal Philips

  • Well honestly AFAIK what you say about Maliki and Shafi'i school is too superficial. Because Maliki have a very detailed way for what kind of customary practice of Medina is stronger then ahad hadith, because sahih hadith according to Maliki school is at least mash'hur and this is always higher then customs of ahl al-Madina! And i guess that all schools more or less accept marfu' and mursal ahadith with some details for each school!
    – Medi1Saif
    Commented Mar 7, 2016 at 10:39

Scholars use only authentic hadith for fiqh. But problem is that each scholar has different method for determining if a hadith is authentic or not. a specific hadith is authentic in view of a scholar but is not authentic in view of another scholar and this leads to different fatwa about the same Islamic question. For example a scholar may consider any hadith in Bukhari hadith collection as authentic but another scholar may disagree this.

Authentic hadith is authentic only for scholar(s) who consider it authentic and not for all scholars.

References and more study:


Importance - Basics of Fiqh


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