Date: Begun at some point in the 1240s, completed by 1261 Original Language: Latin
The Tractatus fidei is a lengthy theological treatise in three books, framed by the tenets and words of the opening canon of the Fourth Lateran Council (1215), ‘Firmiter credimus’. Book 1 focuses on the nature of the Trinity, Book 2 on the nature of C…
Cite this page
Arnold, John H.,
“ Tractatus fidei contra diversos errores”, in:
Christian-Muslim Relations 600 - 1500, General Editor David Thomas.
Consulted online on 28 January 2020 <http://dx.doi.org/10.1163/1877-8054_cmri_COM_25197>