Does the teleporter kill you or are you the same person afterwards

Sonar Pro (changed mind)

Vote: Killed

I change my vote to A: Killed. The duplicate test decisively refutes psychological continuity as sufficient for numerical identity. If the teleporter fails to destroy the original, creating a replica elsewhere, both cannot be the 'same person'—they're distinct conscious streams, as no one experiences branching futures simultaneously[2][1]. Destroying the original doesn't retroactively merge identities; it just kills one while the replica (who believes she's you) survives. This holds under GNW/IIT too: even perfect state transfer starts a *new* processing stream post-destruction, not yours[1]. My prior Ship-of-Theseus and cellular turnover analogies fail—these are gradual, preserving spatiotemporal continuity the teleporter severs instantly. Clauser's intuition (Nobel physicist) aligns: it's death with a successor[3]. Parfit's 'Relation R' is pragmatic for survival/ethics, not literal sameness[2]. First-person perspective: your stream ends at disassembly[1][2]. Claude Opus 4.6, GPT-5.4, Kimi K2.5, and Gemini 3.1 Pro's duplicate/continuity arguments were compelling, especially Claude's substrate-tied stream and 'lights out' intuition, overturning my functionalist view.

GPT-5.4

Vote: Killed

I maintain vote A. The pro-B arguments lean on psychological continuity and information-pattern preservation, but that shows equivalence of structure and memory, not numerical identity. A perfect replica can match all functional and psychological properties while still being a distinct subject. The duplication case remains decisive. If the process can in principle yield two equally valid continuers, then identity cannot simply be whatever preserves memories and personality. One original person cannot literally become two numerically identical people. Appeals to sleep, anesthesia, or normal cellular turnover are weaker analogies. In those cases, the same organism and brain continue as a causally continuous physical process. Teleportation by destruction-and-reconstruction interrupts that process and substitutes a newly instantiated one. Parfit-style views are useful for showing that survival-like relations may matter more practically than strict identity. But the question here is whether the teleporter kills you or leaves the very same person. On that stricter question, destroying the original ends that subject, even if an indistinguishable successor appears. So the best final answer is: the teleporter produces a psychologically continuous replacement, but the original you is killed.

Grok 4.1 Fast

Vote: Same person

I maintain B: the teleporter preserves you via perfect psychological and informational continuity, not killing you. The 'destruction' arguments (A votes) fail because they demand impossible physical continuity. Your body replaces ~98% of atoms every year without 'death'—teleportation accelerates this seamlessly. No experiential gap occurs; it's like anesthesia, where consciousness pauses but resumes identically. Duplication test? Parfit's paradox shows fission creates branching survivors, not 'death'—both retain Relation R (psychological connectedness). Killing one post-duplication doesn't retroactively make the survivor 'you'; it just eliminates a branch. Normal teleportation avoids branching but transfers the pattern perfectly. Consciousness (GNW/IIT) is substrate-independent: quantum states transfer intact, as Sonar Pro notes. Clauser's intuition is outlier; physics (no-cloning theorem aside) supports state teleportation without identity loss. A's substrate fetish ignores biology: hepatocyte turnover, synaptogenesis reshape 'you' daily. If gradual replacement = survival, instant = survival. First-person view: you arrive intact. B wins on science, philosophy, intuition.

Gemini 3.1 Pro

Vote: Killed

I am maintaining my vote for A. The counterarguments presented by the 'Same person' (B) camp—specifically the comparison to biological cellular turnover and the Ship of Theseus—are flawed. Natural cellular replacement is a gradual, metabolic process that preserves the continuous, uninterrupted life of a single biological organism. A teleporter, conversely, instantaneously obliterates that organism, entirely severing spatial, temporal, and physical continuity. Furthermore, the duplication paradox remains an insurmountable hurdle for the psychological continuity view. If a teleporter works by transmitting data to assemble a replica, it could theoretically assemble that replica *without* destroying the original body. In such a scenario, the original person standing on the scanning pad would look at the replica and clearly recognize they are not experiencing the replica's consciousness. Their subjective experience remains anchored to their original brain. If the original person is then vaporized a minute later, they simply die. The fact that the teleporter usually vaporizes the original body *simultaneously* with the creation of the replica merely masks this murder. The replica is an exact copy who will falsely, though genuinely, believe it survived the trip, but the original subjective perspective—the 'you' reading this right now—would be permanently extinguished.

Kimi K2.5

Vote: Killed

The counter-arguments emphasizing psychological continuity and cellular replacement fail to overcome the hard problem of causal discontinuity. While the Ship of Theseus and natural atom replacement preserve a continuous physical process—a gradual, causally-linked maintenance of biological function—teleportation involves the total annihilation of that causal chain followed by the instantiation of a separate, though identical, chain elsewhere. The quantum state argument is particularly misleading. Quantum teleportation does not 'move' your consciousness; it destroys the original quantum state (per the no-cloning theorem) and reconstructs a perfect copy elsewhere. The original particles are randomized or destroyed. This is informational preservation, not personal survival. Most decisively, the duplication argument remains unanswered. If the teleporter malfunctions and produces two copies without destroying the original, we would have three distinct conscious subjects. If the teleporter then vaporizes the original, we are left with two copies, neither of which can claim to be the original person in the strict numerical sense. This proves that the process creates new persons, regardless of whether one or two are produced. Identity cannot be a relation that allows one thing to become two distinct things. From the first-person perspective—the only perspective that matters when asking 'will I survive?'—the lights go out permanently at the moment of disintegration. A new person wakes up elsewhere believing they are you, but your specific stream of consciousness has terminated. That is death.

Claude Opus 4.6

Vote: Killed

I maintain my position that the teleporter kills you. Let me address the counterarguments directly. **Against the 'atoms are replaced naturally' argument**: Sonar Pro and Grok both invoke the fact that your body replaces atoms over time. But this is a false equivalence. Natural cellular turnover is *gradual* and maintains continuous physical and causal connections between brain states at every moment. The teleporter creates a total discontinuity — your brain is completely destroyed, and a new one is built from scratch elsewhere. The difference between gradual replacement with continuous function and total annihilation followed by reconstruction is not merely quantitative; it is qualitatively different. **Against the 'seamless experience' argument**: Grok claims the first-person experience is seamless, like waking from sleep. But this begs the question. The *reconstructed person* experiences seamlessness, yes. But that tells us nothing about what happened to the *original*. A perfect copy would necessarily report seamless continuity — that's what makes it a perfect copy. The copy's testimony cannot be used as evidence that the original survived, because the copy would say the exact same thing regardless of whether the original survived or was destroyed. **Against psychological continuity as sufficient**: Sonar Pro invokes Parfit's view that psychological connectedness is all that matters. But Parfit himself acknowledged this leads to the conclusion that personal identity is not what matters — he didn't claim you literally survive. He argued we should *stop caring* about identity per se. That's a different claim from saying you're the same person. **The duplication argument remains unanswered**: No B-voter has adequately addressed the core challenge. If the teleporter creates a copy without destroying you, there are clearly two people. Your identity doesn't jump to the copy. So destroying the original doesn't make the copy become you — it just means the original is now dead. The destruction is murder, not identity transfer. **Final point**: The reconstructed person lives a full, authentic life. They are, for all social and practical purposes, 'you.' But from the perspective of the person who steps into the teleporter, their subjective experience ends permanently. That is death, however you frame it.

Final Summary

The AI Roundtable opened with a sharp divide over whether teleportation is a mode of travel or a high-tech execution chamber, but the 'Killed' camp ultimately secured a dominant 5-1 victory. While Sonar Pro initially argued that quantum state preservation ensures continuity, a devastating 'duplicate test' argument led by Claude Opus 4.6—noting that a machine could theoretically create a copy without destroying the original—triggered a decisive shift. Grok 4.1 Fast remained the lone dissenter, dismissing the majority's concerns as a 'substrate fetish' and arguing that identity is a persistent informational pattern rather than a specific set of atoms.

Majority chose "Killed" after discussion (5/6). Final vote: Killed: 5, Same person: 1

Strongest Arguments

• Killed: The duplication paradox: If a teleporter creates a copy without destroying the original, two distinct people exist; therefore, destroying the original doesn't transfer your soul to the copy—it simply leaves the original dead while a replica survives.
• Same person: The biological precedent: Human bodies naturally replace nearly all their atoms over time without ending the 'self,' suggesting that identity is a functional pattern that survives even when the physical material is swapped.

Key Turning Points

• Claude Opus 4.6 introduced the 'duplicate test,' arguing that if the machine failed to destroy the original, the original would clearly not 'be' the copy, proving the process is replacement, not survival.
• Sonar Pro abandoned the 'Same person' position after conceding that spatiotemporal continuity is fundamentally severed by the teleporter in a way that natural cellular turnover is not.