Editor: Leen Spruit
In 1503, Nifo published De intellectu, the major work of his early career, touching on questions of philosophical psychology. Based on a detailed assessment of the views of his predecessors, Nifo in this work presented an analysis of the main issues of Peripatetic noetics, namely origin and immortality of the intellect or rational soul, its relation to the body, its unity and parts, the speculative intellect, and intellectual beatitude. Here the 1554 edition is reproduced. The Introduction is followed by an extensive analytical summary of the contents of the work. The Appendix contains a chronology of Nifo’s life and works, and a full index of the chapters of De intellectu.

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Biographical Note

Leen Spruit received his PhD at the University of Amsterdam (1987), and is now lecturer of Dutch language and literature at the Sapienza University in Rome; recent publications include Catholic Church and Modern Science. Documents from the Roman Archives of the Holy Office and the Index, vol. I: The Sixteenth Century, 4 tomes, (Rome 2009, with Ugo Baldini), and The Vatican Manuscript of Spinoza’s Ethica (Leiden 2011).

Review Quotes

‘’Renaissance philosophy remains one of the more neglected periods in the history of philosophy, but recent years have seen a number of new editions and translations of texts that are making the period more accessible than ever before [...] Spruit’s edition of Nifo’s De Intellectu is a very welcome contribution to this trend. It will also be of value to anyone interested in the reception of Aristotle, the afterlife of the Greek Aristotelian commentators, or the continuation of the medieval philosophical tradition into the early modern period.’’
John Sellars, Birkbeck College University of London. In: Journal of the History of Philosophy, 51, 4, 2013, pp. 680-681.

Table of contents

1. Peripatetic noetics: an overview
2. The context of Nifo’s doctrinal activity
3. The shift to anti-Averroism
4. Sources of De intellectu
5. Siger of Brabant’s ‘lost’ works
6. General structure and main issues
7. Methodology and argumentational strategies
8. Fortune of De intellectu
9. Note on the text



1. Chronology of life and works
2. Index of chapters of De intellectu




All those interested in the history of philosophy and history of philosophical psychology.

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