Stages of life: A new metaphysics of conceptionism

When a human being comes into existence is crucial in bioethics. Conceptionism is the view that a human being comes into existence at conception. The twinning argument is an influential objection to this view. All versions of the twinning argument rely on a metaphysics of material objects, namely, e...

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Bibliographic Details
Authors: Efird, David 1974-2020 (Author) ; Holland, Stephen 1963- (Author)
Contributors: Lee, Chunghyoung (Bibliographic antecedent)
Format: Electronic Article
Language:English
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Published: Wiley-Blackwell [2019]
In: Bioethics
Year: 2019, Volume: 33, Issue: 4, Pages: 529-535
IxTheo Classification:NBE Anthropology
NCH Medical ethics
Further subjects:B Zygote
B embryo ethics
B exdurantism
B monozygotic twinning
B Metaphysics
Online Access: Presumably Free Access
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Summary:When a human being comes into existence is crucial in bioethics. Conceptionism is the view that a human being comes into existence at conception. The twinning argument is an influential objection to this view. All versions of the twinning argument rely on a metaphysics of material objects, namely, endurantism. Given this, a strategy for defending conceptionism against the twinning argument is to deny endurantism and adopt an alternative metaphysics of material objects. A version of this strategy which has been debated in this journal is to adopt perdurantism, or the ‘multiple occupancy view’, on which monozygotic twins share the zygote region as a temporal part. We present a novel version of this strategy: conceptionists can evade the twinning argument by adopting an exdurantist metaphysics of material objects. We suggest reasons for thinking that this is a plausible and, indeed, preferable way for conceptionists to avoid the twinning argument.
ISSN:1467-8519
Reference:Kritik in "Metaphysics to the rescue? (2020)"
Contains:Enthalten in: Bioethics
Persistent identifiers:DOI: 10.1111/bioe.12556