Derek Parfit'in kişisel özdeşliğe dair "İndirgemeci Görüşü", bir toplumun uzun zaman dilimleri boyunca hukuki sorumluluğu, sözleşmeleri ve cezai adaleti yapılandırma biçimini nasıl değiştirir?

Derek Parfit reductionist view personal identity criminal responsibility retributive justice legal philosophy

### Analytic Philosophy and Philosophical Naturalism: Parfit on Identity and Penal Desert In analytic metaphysics, Derek Parfit’s reductionist account of personal identity—formulated in Part III of *Reasons and Persons* (1984)—mounts a foundational challenge to classical criminal responsibility and retributive justice. Anchored in philosophical naturalism, reductionism denies that persons are indivisible Cartesian souls or irreducible “further facts”. Instead, a person’s existence over time consists entirely of physical and psychological events, organized by **Relation R**: psychological connectedness (the direct holding of shared memories, desires, and character traits) and psychological continuity (overlapping chains of connectedness). Because psychological connectedness is scalar (a matter of degree) rather than binary, Parfit argued that identity *per se* is not what matters for moral concerns. This directly unsettles retributivism, which justifies punishment on backward-looking personal desert under the assumption that the agent being punished is identical to the perpetrator. In Section 112 (*Desert and Responsibility*), Parfit contends that moral desert naturally weakens alongside diminishing psychological connectedness: > *“Since desert diminishes when connectedness weakens, we may believe that it is not deserved… When some convict is now quite different, we may believe that he deserves less punishment, or even none.”* If an individual undergoes profound psychological or temporal change—as illustrated in Parfit’s *Russian Nobleman* thought experiment, where shifts in values yield distinct “successive selves”—the later person stands to the past offender more like an heir or an accomplice than the identical perpetrator. #### Key Tensions and Legal Status * **Scalar Metaphysics vs. Binary Jurisprudence**: While actual criminal law demands binary classifications of liability (guilty or not guilty), reductionism suggests culpability exists along a spectrum. Legal philosophers such as Rebecca Dresser and David Shoemaker note that while scalar desert offers theoretical support for statutes of limitations and mitigation for reformed or elderly offenders, implementing it fully would destabilize legal administration. Many legal theorists instead treat legal personhood as a pragmatic, forensic convention independent of deep metaphysics. * **Retribution vs. Deterrence**: Even if reductionism dismantles purely retributive desert, it does not dissolve utilitarian or deterrence-based justifications: punishing a psychologically distant later self may still be justified to deter earlier selves from committing crimes. *Epistemic Status*: Parfit’s reductionism is a central, influential framework within contemporary analytic philosophy, but it remains a normative philosophical theory; modern penal jurisprudence almost universally adheres to non-scalar models of legal personhood and ongoing culpability.

• ku.edu
• stanford.edu
• cambridge.org
• researchgate.net
• papacambridge.com
• stanford.edu
• kenji.blog
• kent.ac.uk
• manchester.ac.uk
• mironline.ca
• d-nb.info

Buddhist anatta doctrine comparison Parfit bundle theory moral accountability legal contract ethics

### Buddhist *Anattā*, Parfitian Reductionism, and Moral Accountability In Buddhist metaphysics, the foundational doctrine of *anattā* (Pāli; Sanskrit: *anātman*, "non-self") asserts that sentient beings lack an immutable, underlying essence or soul (*ātman*). The apparent person is decomposed into five constantly changing aggregates (*skandhas*): material form, feeling, perception, mental formations, and consciousness (*Anattalakkhaṇa Sutta*, SN 22.59). In contemporary Western philosophy, Derek Parfit famously aligned his "Bundle Theory" with this Buddhist view in *Reasons and Persons* (1984), arguing that personal identity across time is reducible to overlapping relations of psychological and physical connectedness ("Relation R"), rather than a metaphysical, further fact of identity. #### Accountability and the Two Truths The central challenge for both frameworks is accounting for moral responsibility, legal contracts, and desert: if the agent at time $t_2$ is not numerically identical to the agent at $t_1$, on what basis is that person bound by past promises or punished for past harms? Buddhism resolves this through the framework of the **Two Truths** (*dvisatya*): * **Ultimate Truth (*paramārtha-satya*):** No discrete entity exists; there is only an unbroken, causally conditioned continuum (*santāna*) of momentary psycho-physical events governed by dependent origination (*pratītyasamutpāda*). * **Conventional Truth (*saṃvṛti-satya*):** The term "person" operates as an indispensable linguistic designation (*prajñapti*) to coordinate social life, law, and morality. This resolution is famously dramatized in the **_Milindapañha_** (II.1.1). The monk Nāgasena uses the chariot analogy (first formulated by the nun Vajirā, SN 5.10) to explain that "Nāgasena" is a conventional label for assembled parts. When King Milinda objects that an absence of a self absolves criminals of blame, Nāgasena responds with the analogy of a stolen mango: while the planted seed is not identical to the fruit on the mature tree, the thief is justly punished because the fruit arose within an unbroken causal succession originating in the owner’s labor. Mark Siderits terms this stance **Buddhist Reductionism**, wherein conventional norms—contracts, praise, and blame—are justified instrumentally by their ability to regulate causal streams and minimize suffering. #### Internal Tensions and Ethical Implications * **Theravāda vs. Mahāyāna:** Theravāda Abhidharma reduces the self to distinct, momentary fundamental components (*dharmas*). In contrast, Mahāyāna Madhyamaka (e.g., Nāgārjuna) argues that even these constituent *dharmas* are empty of intrinsic existence (*śūnyatā*). * **The Personalist Dissent:** The ancient Pudgalavāda ("Personalist") school argued that moral accountability and rebirth required an ineffable "person" (*pudgala*) neither identical to nor different from the aggregates—a view aggressively rejected as disguised essentialism by mainstream masters such as Vasubandhu (*Abhidharmakośabhāṣya*, Ch. 9). * **Ethics of Impersonality:** Rather than dissolving moral concern, the breakdown of ego-boundaries expands it. As Śāntideva writes in the *Bodhicaryāvatāra* (8.102): *"Suffering has no owner... it is to be prevented simply because it hurts."* For practitioners, legal and moral contracts remain conventionally binding because their breach generates foreseeable harm across causally linked moments of conscious experience.

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• scribd.com
• wlu.ca
• tricycle.org
• tdl.org
• robertmellis.net
• duke.edu

theological soul continuity moral accountability criminal punishment versus Parfitian psychological continuity

### Theological Continuity vs. Parfitian Reductionism Mainstream Christian theology (both Catholic and Protestant) insists that moral accountability depends on the strict, all-or-nothing **numerical identity** of the person over time. This stands in sharp contrast to Derek Parfit’s reductionism in *Reasons and Persons* (1984), which posits that personal identity reduces to degrees of psychological connectedness and continuity (“Relation R”). Under Parfit’s scalar model, backward-looking desert attenuates over time as psychological ties weaken, complicating criminal liability and retributive punishment. Christian orthodoxy rejects scalar moral desert: whether before temporal courts or divine judgment, the person held responsible must be strictly identical to the person who committed the deed. As canonical scripture establishes, moral accountability is anchored in the continuous, enfleshed person: *“For we must all appear before the judgment seat of Christ, so that each one may receive what is due for what he has done in the body”* (2 Corinthians 5:10). ### Key Figures, Texts, and Internal Tensions Christian traditions differ regarding the metaphysical substrate ensuring this persistence: * **Thomistic Hylomorphism (Catholic standard):** Following Aristotle, Thomas Aquinas (*Summa Theologiae* I, q. 75–76) defines the rational soul as the substantial form of the body. Although the soul survives bodily death as a subsistent entity (*anima separata*), Aquinas famously observes, *“Anima mea non est ego”* (“My soul is not I”) (*In 1 Cor.* 15:2). Because the disembodied soul is an incomplete substance, full personal identity and ultimate justice necessitate the general bodily resurrection (*ST* Suppl., q. 79–80). * **Substance Dualism (Prevalent in Historic Protestantism):** Often drawing on Cartesian dualism, many Protestant apologists locate persistence exclusively in an immaterial, unified soul substance, ensuring an unbroken locus of consciousness and guilt. * **Christian Physicalism (Contemporary minority):** Philosophers like Peter van Inwagen argue against Cartesian souls, positing that bodily resurrection preserves identity via divine miracle. However, this view faces severe tension when answering Parfitian thought experiments, struggling to distinguish divine re-creation from a mere replica lacking causal continuity. ### Lived Practice and Justice In lived pastoral and legal practice, Christians treat criminal guilt and moral conversion as properties of enduring agents created *imago Dei*. Even in radical spiritual conversions where a convict's personality shifts completely, Christianity rejects the Parfitian defense that "a different person" committed the crime; numerical identity mandates enduring legal accountability, which is harmonized not by denying culpability, but through repentance, restitution, and divine mercy.

• researchgate.net
• stanford.edu
• stanford.edu
• anselm.edu
• schoolofmary.org
• newadvent.org
• oup.com
• calvin.edu

Islamic jurisprudence taklif accountability personal identity over time comparison reductionist self

In mainstream Sunni and Shīʿī theology and jurisprudence, personal identity over time is non-negotiable. Rejecting reductionist "bundle" views—which reduce personhood to passing psychological states or transient somatic material—Islamic orthodoxy insists on an enduring, unified self capable of bearing moral and legal obligation (*taklīf*) across earthly life and into the resurrection (*maʿād*). ### Concepts and Jurisprudential Foundations In Islamic legal theory (*uṣūl al-fiqh*), human agents are *mukallafūn* (accountable subjects) endowed with *dhimmah*—an enduring moral capacity or legal personality through which rights and duties adhere across time. This accountability requires unbroken personal continuity: the individual who commits an act must be the identical self rewarded or punished. As the Qurʾān repeatedly affirms, *"No bearer of burdens will bear the burden of another"* (53:38), and on the Day of Reckoning each person is addressed: *"Read your book: today your own self suffices as a reckoner against you"* (17:14). ### Key Thinkers and Internal Divergences While Sunni and Shīʿī traditions agree that personal identity is real and continuous, they diverge philosophically regarding the ontological anchor of that continuity: 1. **Sunnī Atomism (*Kalām*):** Classical Ashʿarite and Muʿtazilite theologians viewed physical bodies as composed of discrete atoms (*jawāhir*) and accidents (*aʿrāḍ*). To preserve identity through death, early mutakallimūn posited that God either sustains an indivisible root component or directly resurrects the original atomic parts (*iʿādat al-maʿdūm*) so the reconstituted individual is literally identical to the earthly actor. 2. **Avicennian Dualism (*Falsafa*):** Ibn Sīnā (Avicenna) argued in *Kitāb al-Shifāʾ* (The Healing) that personal identity resides in the immaterial rational soul (*al-nafs al-nāṭiqah*), famously demonstrating this via his "Floating Man" thought experiment, which proves self-awareness (*shuʿūr bi’l-dhāt*) exists independently of bodily sensation. 3. **Shīʿī Transcendent Theosophy (*al-Ḥikmah al-Mutaʿāliyah*):** Mullā Ṣadrā synthesized these views through his doctrine that the soul is *"bodily in origination, spiritual in subsistence"* (*jismāniyyat al-ḥudūth, rūḥāniyyat al-baqāʾ*). Through substantial motion (*al-ḥaraka al-jawhariyya*), the self transforms over time while maintaining existential sameness, culminating in the bodily resurrection through the "corporealization of actions" (*tajassum al-aʿmāl*), wherein an individual's deeds shape their resurrected somatic form. Practitioners experience this reality through daily spiritual accounting (*muḥāsabat al-nafs*), living under the conviction that the present self is inseparably bound to its eternal destiny.

• sru.ac.ir
• researchgate.net
• gnosijournal.com
• iict.ac.ir
• routledge.com
• productivemuslim.com
• razavi.ac.ir
• ut.ac.ir
• academia.edu.pk

Talmudic law continuity of personhood long term contractual obligation halakha identity shifts

In Rabbinic jurisprudence (*halakhah*), personal continuity across temporal, moral, and ontological shifts is navigated through a structural distinction between legal-metaphysical personhood and subjective psychological identity. While aggadic and moral texts celebrate radical transformations of the self, civil law (*choshen mishpat*) rigorously enforces continuity through the mechanism of personal obligation. ### Legal Mechanisms of Obligation: *Shibud Ha-Guf* Talmudic contract law generally rejects mere promissory agreements as non-binding "words" (*kinyan devarim*, *Bava Batra* 3a). Instead, long-term contractual liability relies on *hitḥayyevut* (undertaking a personal obligation), which creates **shibud ha-guf**—a legal "lien on the person" or servitude of the debtor’s legal bodily identity. This personal lien attaches directly to the individual rather than solely to existing assets (*shibud nekhasim*). Even when contracting obligations concerning objects not yet in existence (*davar shelo ba l'olam*), classical codifiers (notably Maimonides and the *Shulchan Arukh*, *Choshen Mishpat* 60) rule that because the person (*ha-guf*) already exists, *shibud ha-guf* binds the temporal future self to performance. ### Identity Shifts and Continuity Rabbinic law addresses three primary scenarios where personhood undergoes significant rupture: 1. **Repentance (*Teshuvah*)**: Maimonides codifies that a penitent changes their name, effectively declaring, *"I am another person, and no longer the one who did those deeds"* (*Hilkhot Teshuvah* 2:4). However, *halakhah* strictly insulates civil liability from moral rebirth: spiritual transformation does not extinguish past torts, loans, or contractual *shibud ha-guf* (*Hilkhot Gezelah* 1:13; *Bava Kama* 94b). 2. **Conversion (*Giyyur*)**: The Talmud declares that *"a convert is like a newborn infant"* (*ger she-nitgayer ke-tinok she-nolad dami*, *Yevamot* 22a). While this ontological recreation severs biological-genealogical ties for biblical inheritance and familial prohibitions, rabbinic enactment (*takkanah*) and the standard of communal equity prevent converts from evading prior commercial liabilities, ensuring that conversion does not become a refuge from debt (*Mishnah Shevi'it* 10:9; *Choshen Mishpat* 366). 3. **Fluctuating Mental State and Apostasy**: For individuals alternating between lucidity and incapacity (*ittim ḥalim ittim shoteh*, *Rosh Hashanah* 28a), legal agency fluctuates, yet previously entered valid liens remain intact upon the estate. Similarly, under the dictum *"an Israelite, even though he has sinned, remains an Israelite"* (*Sanhedrin* 44a), religious apostasy does not dissolve marital covenants or contractual duties. Through *shibud ha-guf*, the Halakhic tradition maintains an uninterrupted, legally accountable continuum of the self across existential and ethical rebirth.

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• thepublicdiscourse.com
• thelehrhaus.com
• onlinemachon.com
• baishavaad.org
• scribd.com
• yutorah.org
• koltorah.org

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neuroscience personal identity longitudinal personality change criminal culpability statutes of limitations

### Consensus Framework: Neurobiology, Personality, and Legal Continuity Mainstream cognitive science, psychiatry, and lifespan psychology reject the notion of an immutable “self,” demonstrating that personality and underlying neural architecture undergo lifelong transformation. Longitudinal meta-analyses led by Brent Roberts establish the **“maturity principle”**: conscientiousness, agreeableness, and emotional stability systematically increase across adulthood via prefrontal neuroplasticity and changing social roles. Despite empirical proof of cognitive and behavioral fluidity, mainstream criminal law and clinical forensic psychiatry maintain a strict compatibilist stance grounded in numerical personal identity. A defendant is held culpable for past acts if they possessed voluntary agency (*actus reus*) and rational capacity (*mens rea*) at the time of the offense, regardless of subsequent personality change. Formal statutes of limitations are legislated around utilitarian and evidentiary concerns—such as evidence degradation and institutional repose—rather than metaphysical shifts in identity. --- ### Internal Branches and Tensions 1. **Folk-Psychological Compatibilism vs. Revisionist Neurolaw:** Forensic legal scholars like Stephen Morse warn against **“brain overclaim syndrome”**—the conflation of neurobiological causation with legal exculpation. Morse emphasizes that *“causation is not the equivalent of compulsion”*; brain scans and developmental shifts explain behavior but do not dissolve moral responsibility. Conversely, revisionist neuroethicists (e.g., Joshua Greene, Jonathan Cohen, and David Eagleman) propose a minority view: that neurobiology reveals human actions as mechanistically determined, rendering retributive punishment incoherent and necessitating an exclusively forward-looking, rehabilitative penal system. 2. **Adolescent Culpability:** Landmark developmental neuroscience (e.g., Laurence Steinberg) demonstrated that delayed maturation in the prefrontal cortex—which governs executive control—mitigates juvenile culpability, directly influencing U.S. Supreme Court jurisprudence (*Roper v. Simmons*, *Miller v. Alabama*) by formalizing the premise that youthful identity is inherently unformed and capable of reform. --- ### Experimental Jurisprudence and Folk Intuition A core disconnect exists between the formal law of limitations and ordinary human cognition. In *Statutes of Limitations and Personal Identity* (2018), legal psychologist Christian Mott demonstrated through five empirical studies that laypeople harbor an “intuitive statute of limitations”: judgments of legal punishment and moral blame decay over time specifically as perceived **psychological connectedness** weakens. While statutory doctrine insists on unbroken individual accountability across decades, human cognitive architecture implicitly treats profound longitudinal personality change as an attenuation of personal identity itself.

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• illinois.edu
• illinois.edu
• nih.gov
• nih.gov
• youtube.com
• antoniocasella.eu
• nswcourts.com.au
• frontiersin.org
• vermontlaw.edu
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• oup.com
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• cambridge.org

evolution of cooperation social contracts punishment mechanisms persistent identity institutional trust

In evolutionary biology, anthropology, and behavioral economics, large-scale human cooperation among unrelated strangers represents an evolutionary puzzle. Mainstream consensus affirms that small-scale altruism originally evolved via kin selection (W.D. Hamilton, 1964) and direct reciprocity (Robert Trivers, 1971; Robert Axelrod & W.D. Hamilton, 1981), where repeated interactions create a "shadow of the future" that makes immediate defection disadvantageous. Extending cooperation beyond small kin-groups requires cultural infrastructure: shared social contracts, reputational tracking, persistent identity (which removes the veil of anonymity that fosters free-riding), and enforcement mechanisms: * **Altruistic and Third-Party Punishment:** In their landmark experimental study, Ernst Fehr and Simon Gächter (2002, *Nature*) demonstrated that voluntary contributions in public-goods dilemmas inevitably collapse without enforcement, establishing that *"cooperation flourishes if altruistic punishment is possible, and breaks down if it is ruled out"*. In human terms, "altruistic punishment" means individuals willingly pay a personal cost to penalize defectors even with no direct material return or expectation of future reward. * **Graduated Sanctions and Institutional Trust:** Translating laboratory dynamics to real-world resource governance, political economist Elinor Ostrom (*Governing the Commons*, 1990, pp. 94–100) proved that communities can sustainably resolve collective-action dilemmas without centralized state coercion. Ostrom demonstrated that robust institutional trust rests on "graduated sanctions"—systems where initial rule violations are met with mild, context-sensitive warnings that preserve communal relationships, escalating to severe penalties only for persistent offenders. ### Internal Branches and Epistemic Tensions While social scientists agree on the empirical reality of social norms and enforcement, evolutionary theorists remain divided over how they arose: * **Individual / Inclusive Fitness (Mainstream Consensus):** Behavioral ecologists (such as Stuart West and Andy Gardner) argue that cooperation and punishment must ultimately serve the individual’s or genes' selective interests. They interpret costly punishment as an investment in deterrence, reputation-building, or costly signaling that yields net fitness benefits over time. * **Cultural Group Selection and "Strong Reciprocity" (Debated Hypothesis):** Dual-inheritance theorists (Robert Boyd, Peter Richerson, and Joseph Henrich) argue that gene-level models fail to account for cooperation among anonymous strangers in one-shot interactions. They propose that competition *between groups* favored populations that culturally transmitted prosocial norms and moralistic punishment. While cultural evolution is well-accepted, the claim that multi-level selection drove genetic changes for self-sacrificing altruism remains an actively contested hypothesis rather than settled consensus.

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• scispace.com
• econport.org
• burmalibrary.org
• archive.org
• boell.org
• thetedkarchive.com

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