Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSR

The Principle of Sufficient Reason (PSR)—the principle that everything has a reason—plays a central role in Leibniz’s philosophical system. It is rather difficult, however, to determine what Leibniz’s attitude towards the modal status of the PSR is. The prevailing view is that Leibniz takes the PSR...

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Main Author: Sebastian Bender
Format: Article
Language:English
Published: Aperio 2022-10-01
Series:Journal of Modern Philosophy
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Online Access:https://jmphil.org/article/id/1951/
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author Sebastian Bender
author_facet Sebastian Bender
author_sort Sebastian Bender
collection DOAJ
description The Principle of Sufficient Reason (PSR)—the principle that everything has a reason—plays a central role in Leibniz’s philosophical system. It is rather difficult, however, to determine what Leibniz’s attitude towards the modal status of the PSR is. The prevailing view is that Leibniz takes the PSR to be true necessarily. This paper develops a novel interpretation and argues that Leibniz’s PSR is a contingent principle. It also discusses whether a merely contingent PSR can do the metaphysical heavy lifting that Leibniz aims for. The paper shows that, despite appearance to the contrary, this is possible. In a nutshell, the argument is that the only possible PSR violation Leibniz allows for is God’s creation of a suboptimal world; there is no Leibnizian possible world, though, which intrinsically violates the PSR. Despite its contingency, then, Leibniz’s PSR is modally robust enough to serve as a foundational principle of his metaphysics.
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spelling doaj-art-31e04805b00a4026a40203ce6e279c412025-01-31T16:08:26ZengAperioJournal of Modern Philosophy2644-06522022-10-014010.25894/jmp.1951Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSRSebastian Bender0Georg-August-Universität GöttingenThe Principle of Sufficient Reason (PSR)—the principle that everything has a reason—plays a central role in Leibniz’s philosophical system. It is rather difficult, however, to determine what Leibniz’s attitude towards the modal status of the PSR is. The prevailing view is that Leibniz takes the PSR to be true necessarily. This paper develops a novel interpretation and argues that Leibniz’s PSR is a contingent principle. It also discusses whether a merely contingent PSR can do the metaphysical heavy lifting that Leibniz aims for. The paper shows that, despite appearance to the contrary, this is possible. In a nutshell, the argument is that the only possible PSR violation Leibniz allows for is God’s creation of a suboptimal world; there is no Leibnizian possible world, though, which intrinsically violates the PSR. Despite its contingency, then, Leibniz’s PSR is modally robust enough to serve as a foundational principle of his metaphysics.https://jmphil.org/article/id/1951/LeibnizPSRmodalityrationalismPII
spellingShingle Sebastian Bender
Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSR
Journal of Modern Philosophy
Leibniz
PSR
modality
rationalism
PII
title Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSR
title_full Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSR
title_fullStr Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSR
title_full_unstemmed Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSR
title_short Localizing Violations of the Principle of Sufficient Reason—Leibniz on the Modal Status of the PSR
title_sort localizing violations of the principle of sufficient reason leibniz on the modal status of the psr
topic Leibniz
PSR
modality
rationalism
PII
url https://jmphil.org/article/id/1951/
work_keys_str_mv AT sebastianbender localizingviolationsoftheprincipleofsufficientreasonleibnizonthemodalstatusofthepsr