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Usool al-Fiqh

Ahadith on the principles of fiqh, taken from the first volume of Shaykh Hurr al-`Amuli's al-Fusul al-Muhimma.

Chapter 1 - Seeking knowledge is an obligation upon every Muslim, and it is obligatory upon every responsible person to ask about what he has need of from the rules of the Shari`a

Chapter 2 - The impermissibility of taking anything of the sciences of religion from anyone other than the Prophet صلى الله عليه وآله and the Imams عليهم السلام, even it is if by an intermediary or intermediaries who are trusted, and obligatoriness of returning to them in all of the rules (al-ahkam)

Chapter 3 - Obligatoriness of learning their عليه السلام sciences kifayatan (i.e. its obligation upon the whole is fulfilled if someone does it) and its desirability `aynan (i.e. for everyone themselves) and its obligatoriness `aynan in proportion to need

Chapter 4 - That it is not permitted to learn something of the false (al-batil) except with the elucidation of its falsehood and security from the entrance of doubt and suspicion [and absence of prohibition – in some manuscripts] and likewise its teaching

Chapter 5 - That it behooves to be humble towards one from whom one learns and to whom one teaches

Chapter 8 - Neither saying nor action in anything of shar`i rulings is allowed without knowledge

Chapter 9 - Obligatoriness of acting by knowledge so that one does everything whose obligatoriness is known and abandons everything whose forbiddance is known

Chapter 10 - Obligatoriness of halting (tawqquf) and precaution (ihtiyat) in everything whose rule one does not know by a text (nass) from them عليه السلام and the abandonment of everything whose forbiddance is supposable from the doubtful (issues)

Chapter 11 - The non-obligatoriness of demonstrating knowledge when there is taqiyya and its obligation with its absence, specifically with the appearance of innovations (al-bida`)

Chapter 12 - Permissibility of narrating the hadith by meaning

Chapter 14 - Impermissibility of taqlid of other than the Ma`sum in the shar`i rules

Chapter 15 - Forbiddance of innovation and acceptance of bid`a and that every bid`a is haram

Chapter 20 - Obligatoriness of referring to the narrators of hadith in what they narrate of the rulings from them عليهم السلام not in what they say by their view/opinion

Chapter 29 - Permissibility of acting by what the `Aamma narrate from `Ali عليه السلام specifically in a case in which there is no text (nass) in it from the route of the Shi`a

Chapter 30 - Impermissibility of acting upon what agrees with the `Aamma and their route even if it is from the ahadith of the Imams عليه السلام when there is something that contradicts it (i.e. from our sources), and that when there is no text (nass) in what the person has need its ruling it is obligatory to ask the scholars of the `Aamma about it and take what is opposite to their saying/doctrine

Chapter 39 - Impermissibility of asserting the akhbar attributed to them عليه السلام to be lies when their being true is supposable, rather it is befitting to permit the two affairs (i.e. it’s being true or false) when one does not know of their establishment

Chapter 51 - The Shar`i rules remain fixed in every time until the day of the resurrection except for what comes out with a proof

Chapter 58 - Conditioning of obligation with obligatoriness and forbiddance by bulugh and the desirability of having children practice the acts of worship prior to it

Chapter 67 - Invalidity of worship without the walayat of the Imams عليهم السلام and the belief in their Imamate

Chapter 68 - Non-obligatoriness of the qada of the acts of worship of the opponent (al-mukhalif, the non-Imami) when he becomes discerning (i.e. converts to become an Imami), except for the zakat when he gave it to the non-deserving person

Chapter 70 - Obligatoriness of the fulfillment of legal conditions that are specified in necessary contracts save what is excepted

Chapter 76 - Obligatoriness of learning the transmitted fiqh from the Imams عليهم السلام

Chapter 77 - That it is befitting to learn writing and reckoning/accounting

Chapter 80 -  The last from the ahadith of the Prophet صلى الله عليه وآله is abrogating (nasikh) of the preceding so it is obligatory to act upon the last

Chapter 81 - Lawfulness of the good things and forbiddance of the impurities

Chapter 85 - That the “ba” comes for tab`id (division) such as the ayat of wudu and tayammum

Chapter 86 - Everything that is not obligatory leaving it off is permissible