Chapter XXXVII
. The best account of Averroism is Mandonnet’s _Siger de Brabant et l’averroisme latin au XIII{e} siècle_ (a second edition, Louvain, is in preparation). See also De Wulf, _Hist. of Medieval Philosophy_ (3rd. ed., Longmans, 1909) p. 379 _sqq._ with authorities cited.
[420] Called also his _Summa philosophica_, to distinguish it from his _Summa theologiae_.
[421] _Summa theologiae_, i. i., quaestio i. art. 1-8.
[422] _Post_, Chapter XXXVI ., I.
[423] Even the Averroists were more mediaeval than Greek, inasmuch as they professed to follow Aristotle implicitly. Cf. _post_,