Christian-Muslim Relations 600 - 1500

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 Kitāb al-istidlāl
(560 words)

Inductive reasoning

ʿAbd al-Masīḥ al-Isrāʾīlī al-Raqqī

Date: Unknown; probably late 10th century

Original Language: Arabic


Kitāb al-istidlāl is only known through an epitome (mukhtaṣar) preserved in a single Vatican manuscript; S.K. Samir has provided an extensive description of this epitome (Samir, ‘ʿAbd al-Masīḥ’), which is the basis for what follows.

After a philosophical introduction, the book is divided into five parts: 1. proofs of the c…

Cite this page
N. Swanson, Mark, “ Kitāb al-istidlāl”, in: Christian-Muslim Relations 600 - 1500, General Editor David Thomas. Consulted online on 11 August 2020 <>
First published online: 2010

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