Letter to Hermannus ab Wyda
New in 1533Perrone Compagni — Table of Comparison
1533 edition (Epist. Hermanno ab Wyda): new
This chapter, Epist. Hermanno ab Wyda (“Letter to Hermannus ab Wyda”), occupies a significant place in Agrippa's systematic exposition of occult philosophy. In the 1533 Cologne printed edition (De occulta philosophia libri tres, sigla K in Perrone Compagni's critical apparatus), the text represents Agrippa's mature formulation of the ideas it addresses, the product of over two decades of reading, travel, and revision since the composition of the Würzburg draft.
According to Perrone Compagni's table of comparison, this chapter is entirely new in the 1533 edition: it has no antecedent in the Würzburg draft (W). Its presence marks one of the conceptual expansions that distinguish K from W — the addition of material reflecting Agrippa's subsequent reading and intellectual development.
The absence of this chapter from the Würzburg draft invites reflection on what prompted its insertion in the mature edition. Agrippa's intellectual biography between 1510 and 1530 — including his engagement with Neoplatonism, Kabbalah, Hermetism, and scholastic natural philosophy — provides the context for understanding such additions. The partial edition A (sigla A in Perrone Compagni) may offer clues about when the material was composed.
Agrippa's Argument
The prefatory letters establish the social and intellectual conditions of the work's legitimacy before its philosophical argument begins. By addressing Trithemius — the most respected scholar of occult subjects in the German-speaking world — Agrippa secures his credentials within a community of learned inquiry. His claim that magic has been 'perverted and defiled' by those who detach it from its philosophical foundations is not humility but a polemical positioning: De occulta philosophia will restore magic to its proper status as 'the most perfect accomplishment of the noblest philosophy' (totius nobilissimae philosophiae absoluta consummatio). The letters are the first move in Agrippa's rehabilitation project — drawing on the Neoplatonic tradition of esoteric writing that reserves true knowledge for prepared readers.
Scholarly Perspectives
The prefatory letters situate De occulta philosophia in the social world of learned humanism. Van der Poel (1997) stresses that Agrippa's letter to Trithemius is not merely a dedication but an apologia establishing the work's legitimacy: the addressee, a renowned abbot and scholar of cryptography, confers scholarly authority on occult learning. Newman (1993) notes that both De occulta philosophia and De nobilitate were 'begun in the author's early twenties but later revised and expanded' before publication in the mid-1530s — the Trithemius letter thus bridges Agrippa's juvenile draft and his mature system.