Abstract

SIERRA-LECHUGA, Carlos. Ratio formalis: Regaining a Classic Notion for Contemporary Metaphysics. Rev. filos.open insight [online]. 2022, vol.13, n.27, pp.75-105.  Epub June 20, 2022. ISSN 2395-8936.  https://doi.org/10.23924/oi.v13i27.495.

«Ratio formalis» seems to be a useful classical notion for contemporary metaphysics that currently debates whether the foundation of reality is formaliter the «substance» or the «structure». For this reason, it is necessary to make the notion explicit. First, I will summarize the positions of the debate; then, I will present the general sense of our notion; I will show its precisions according to three authors (Thomas Aquinas, Cajetan and John of Saint Thomas); once I present their subtleties, I will continue by summarizing what has been obtained; almost to finish, I will use mathematics as an example to show the use of the regained notion; I will conclude by showing how our notion is pertinent for the mentioned debate.

Keywords : Fundamentality; manifest image; scientific image; scientifically informed metaphysics; structuralism; theory of knowledge.

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