While Henry of Ghent’s defense of the real identity of esse and essentia against Giles of Rome is well documented, scholars have overlooked how this debate stemmed from his distinctive interpretation of ‘est.’ Through analyzing Quodlibet X, q. 7, where Henry reconciles the doctrine of real identity with creation from nothing, this paper examines the true implications of his position.
Henry rejects his opponent’s view of esse as a ‘form actualizing essentia,’ arguing that such a view would require essentia to pre-exist creation as a substrate receiving such form. This would make creation not a production from nothing, but rather a production based on the potentiality inherent in essentia. Therefore, esse must not be understood as something inherent in essentia as a form or act, but rather as something that merely indicates a relation with God as the cause. Henry explains this mode of esse’s presence in essentia using the term “external participation.” Esse is not “possessed” as a proper nature impressed upon essentia, but merely indicates the status of essentia as “being created by God as its cause” through its relation to God who exists external to the essentia. This understanding leads Henry to incorporate the notion of divine causation into the meaning of ‘est’ itself, marking a fundamental departure from his opponent’s position.
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