Christian-Muslim Relations 600 - 1500

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 Untitled. Modern title: Fī tathlīth Allāh al-wāḥid
(1,066 words)

On the Triune nature of God

Unknown author

Date: 755 or 788

Original Language: Arabic


This early Arabic Christian treatise, 41 folios long in the unique manuscript (which is incomplete at the end), was somewhat misleadingly called Fī tathlīth Allāh al-wāḥid and 'On the Triune nature of God' by its first editor (Gibson, Arabic version); in fact it is a wide-ranging apology for the Christian faith, at a number of points addressed explicitly to Muslims.


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Cite this page
N. Swanson, Mark, “ Untitled. Modern title: Fī tathlīth Allāh al-wāḥid”, in: Christian-Muslim Relations 600 - 1500, General Editor David Thomas. Consulted online on 18 October 2019 <>
First published online: 2010

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