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Double-Effect Reasoning
Abstract
Consequentialists oppose while absolutists and deontologists rely upon double-effect reasoning (DER) to address hard cases in which good inextricably binds with evil (such as destroying a legitimate military target while concomitantly and foreseeably killing innocents). This book addresses the history, application, and philosophical controversy concerning DER. It traces both the origin of DER in the thought of Aquinas and its development by subsequent ethicists. Considering consequentialist criticisms, proportionalism, and recent revisions of double effect, the book argues at length for the reasonableness of DER, particularly the intended/foreseen distinction. Intent is distinguished from foresight, and this distinction is applied to the classic cases of terror and tactical bombing. Most importantly, the book establishes the ethical relevance of this distinction, grounding its import both in broadly Aristotelian-Thomistic features of action as voluntary, and in a Kantian focus on the victim as an end in himself. The book also considers typically neglected albeit intriguing issues such as DER’s application to allowings and how constitutional legal systems that incorporate exceptionless norms employ a legal analogue to DER.
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“On the basis of Cavanaugh's original criteria, 54 Stevenson and Peck 53 offer modified criteria for evaluating social media actions (Figure 2).”
From Social Media and Clinical Care: Ethical, Professional, and Social Implications (2013) · cites this paper as [54]
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Items 101–133 of 133
Reichberg, G. M. (2016) · Cambridge University Press eBooks · doi:10.1017/cbo9781139095884.009
Reichberg, G. M. (2016) · Cambridge University Press eBooks · doi:10.1017/cbo9781139095884.013
Reichberg, G. M. (2016) · Cambridge University Press eBooks · doi:10.1017/cbo9781139095884.007
Reichberg, G. M. (2016) · Cambridge University Press eBooks · doi:10.1017/cbo9781139095884.002
Houser, R. E. (2013) · doi:10.1093/obo/9780195396584-0096
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.008
From Evading to Expanding Responsibility
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.006
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.005
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.002
Relational Personhood and the Violence of War
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.004
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.001
Necessity and the Evasion of Responsibility
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.003
Kellison, R. B. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108642798.009
Hart, M. J., & Hill, D. J. (2022) · Springer eBooks · doi:10.1007/978-3-031-06570-5_8
Masek, L. J. (2023) · Springer eBooks · doi:10.1007/978-94-007-6730-0_1041-1
Niebezpieczne związki. Problem bliskości we współczesnej dyskusji nad zasadą podwójnego skutku
Chyrowicz, B. (2023) · Diametros · doi:10.33392/diam.1899
Masek, L. J. (2023) · Springer eBooks · doi:10.1007/978-94-007-6519-1_1041
Is Physician‐Assisted Suicide Ever Ethical?
Arp, R., & Caplan, A. L. (2013) · doi:10.1002/9781394260973.part7
James Rachels and the morality of euthanasia
Furlan, T. J. (2024) · Metamedicine · doi:10.1007/s11017-024-09658-2
A causal modeler's guide to double effect reasoning
Rothfus, G. J. (2024) · Philosophy and Phenomenological Research · doi:10.1111/phpr.13087
Baruch Brody and the principle of justifiable homicide
Furlan, T. J. (2024) · Metamedicine · doi:10.1007/s11017-024-09678-y
In Defence of the Pauline Principle
de Ray, C. (2025) · Ratio · doi:10.1111/rati.70001
Suffering: Harm to Bodies, Minds, and Persons
Hofmann, B. (2025) · Springer eBooks · doi:10.1007/978-94-024-2252-8_63
The principle of double effect in the moral philosophy of Thomas Aquinas and Elizabeth Anscombe
Stuchlik, J. (2025) · Zeitschrift für Ethik und Moralphilosophie · doi:10.1007/s42048-025-00240-6
Between Euthanasia and Assisted Suicide: Is There an Ethics of the ‘Good’ Death?
Ferrara, A. (2025) · European Union and its neighbours in a globalized world · doi:10.1007/978-3-032-09985-3_3
The Ethical Relevance of the Intended/Foreseen Distinction According to Anscombe
Cavanaugh, T. A. (2015) · USF Scholarship Repository (University of San Francisco)
Self-citationDouble effect sedation: reply to commentaries
Arima, H. (2025) · Journal of Medical Ethics · doi:10.1136/jme-2025-111647
The Ubiquitous Pertinence of Double-Effect
Eberl, J. T. (2026) · The American Journal of Bioethics · doi:10.1080/15265161.2025.2594465
What Is “Ethics as Usual” Under Crisis Standards of Care?
Eberl, J. T. (2026) · Philosophy and medicine · doi:10.1007/978-3-032-08862-8_11
Euthanasia, Suffering, and Care
Napier, S. R. (2026) · Springer eBooks · doi:10.1007/978-3-032-14946-6_7
Moonshot Ethics: A Framework for Preventing Prudential Gaps in End-of-Life Deliberation
Schulz, J. W. (2025) · Christian bioethics Non-Ecumenical Studies in Medical Morality · doi:10.1093/cb/cbaf022
Intention, blâme et permission. Sur la doctrine du double effet
Michon, C. (2026) · Revue de métaphysique et de morale · doi:10.3917/rmm.261.0053
Metadata
- Authors
- Cavanaugh, T. A.
- Corresponding author
- Cavanaugh, T. A.
- Venue
- Oxford University Press eBooks
- Publisher
- Oxford University Press
- Published
- 2006-08-01
- OpenAlex
- W2490840936
- Cited by
- 134
- References
- 0
- Citations by year
- 2026: 6 · 2025: 13 · 2024: 7 · 2023: 5 · 2022: 3 · 2021: 6 · 2020: 4 · 2019: 8 · 2018: 14 · 2017: 12 · 2016: 16 · 2015: 7 · 2014: 2 · 2013: 10 · 2012: 4
- FWCI
- 4.08
- Type
- book
- Language
- en
- Open access
- closed
- Locations
- Oxford University Press eBooks (publishedVersion)
- Topics
- Social Sciences › Arts and Humanities › Philosophy › Philosophical Ethics and Theory
- Social Sciences › Arts and Humanities › Philosophy › War, Ethics, and Justification
- Life Sciences › Neuroscience › Cognitive Neuroscience › Psychology of Moral and Emotional Judgment
- Keywords
- double effect, Thomas Aquinas, consequentialism, deontology, proportionalism, military ethics, terrorism, voluntary action, Kantian ethics, end in itself, constitutional law
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