Logical Reconciliation Of Extremes Of "Substance" In Descartes And Spinoza

Anacletus, I. Ogbunkwu and Okafor, Polycarp and Eze, Benjamin N. and Ude, Anthony (2024) Logical Reconciliation Of Extremes Of "Substance" In Descartes And Spinoza. REDVET - Revista electrónica de Veterinaria, 25 (1). 4608 -4614. ISSN 1695-7504

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Abstract

This paper examines the divergent yet deeply connected conceptions of substance in René Descartes and Baruch Spinoza, arguing that neither system constitutes a final philosophical position but instead represents stages within a broader dialectical development. Descartes’ dualism posits two finite, irreducible substances—res cogitans (thinking substance) and res extensa (extended substance)—alongside an infinite divine substance, whereas Spinoza advances a strict monism in which God or Nature (Deus sive Natura) is the sole self-caused substance. Rather than treating Spinoza’s system as a rejection of Cartesian dualism, this study interprets it as a logical reconciliation of its internal tensions. The paper demonstrates that Cartesian dualism is inherently unstable, generating a metaphysical fracture that calls for resolution. By revisiting Descartes’ own conceptual distinctions, particularly between formal and eminent reality, the analysis reveals latent resources for overcoming this divide. Spinoza’s geometric method is then presented as a formal mechanism of reconciliation, wherein Thought and Extension emerge as attributes of a single, unified substance. Drawing on recent scholarship in early modern philosophy, metaphysics, and formal ontology, the study further argues that Cartesian dualism exhibits a form of structural incompleteness, akin to a “Gödelian” limitation, in its inability to account for the unity of mind and body. Spinoza’s synthesis thus resolves this limitation. Ultimately, this reconciliation offers a valuable framework for contemporary debates, particularly in philosophy of mind and cognitive science, where the enduring “hard problem” of consciousness reflects unresolved Cartesian tensions.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BC Logic
Divisions: Faculty of Arts > Faculty of Law > Faculty of Management and Social Sciences
Depositing User: mrs chioma hannah
Date Deposited: 11 Jun 2026 08:21
Last Modified: 11 Jun 2026 08:21
URI: http://eprints.gouni.edu.ng/id/eprint/5790

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