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Wellsprings
islamic-usulWe're still mapping where this idea was first discussed. Key passages and related ideas below.

ʿAql (Reason as a Source, Shīʿī)

Reason treated as the fourth formal source of law in Twelver Shīʿī jurisprudence, replacing Sunnī qiyās.

Reason treated as the fourth formal source of law in Twelver Shīʿī jurisprudence, replacing Sunnī qiyās.

Key passages(8)

Manahij Yaqin · al-'Allama al-Hilli

High

Rasail · al-Sharif al-Murtada

High

Rasail · Ibn Hazm

High

Dar Tacarud · Ibn Taymiyya

High

Usul Min Kafi · Muhammad ibn Ya'qub al-Kulayni

High

Iqtisad · Shaykh al-Tusi

Moderate

Ikhtisas · al-Mufid

Moderate

Nubuwwat · Ibn Taymiyya

Moderate