Concepts

5 After Death Theories

The five existing answers humanity has proposed to the question of what happens at death: reincarnation, heaven and hell, death-as-illusion, death-as-final, and the born-again déjà-vu theory. The book

Citoixperiencitness

The ixperiencitness produced by a cidentireplica. It is your "you-ness" as experienced through a body that stays structurally identical to yours over time.

Comboixperiencitness

The ixperiencitness produced by a body that mixes replica types. Most realistic cases of survival combine features of several types at once.

Conscious survival

Survival defined from the inside. A future moment counts as your survival if you experience that moment as yours, regardless of which body produces it.

Consciousness

Your inner experience of being a particular body: what it is like to be you. The book treats consciousness as something brain structure produces, not as a separate kind of thing.

Corixperiencitness

The ixperiencitness produced by "cori" replicas. One of the specialized variants in the theory's full taxonomy of bodies that produce your consciousness.

Enhaimmortality

Immortality realized through enhanced versions of you. The bodies that produce your ixperiencitness in the future may be more capable than the one you started with.

Enhaixperiencitness

The ixperiencitness produced by an enhanced replica. Your you-ness, but with augmented mental or physical capacity.

Fitoixperiencitness

The ixperiencitness produced by a fragmented replica. Portions of your you-ness distributed across other bodies, such as children, students, or anyone you have deeply shaped.

Idoimmortality

Immortality through "ido" (identity-of-original) replicas. A specific class of bodies in the theory's full inventory.

Idoixperiencitness

The ixperiencitness produced by an ido-class replica. A body whose structural relationship to you preserves a particular identity property of the original.

Immortality

The condition of having no future point at which you cease to experience consciousness. The book argues this follows logically from the production premise. It is not a supernatural claim.

Insixperiencitness

The ixperiencitness produced by an instantaneously formed replica. A body that comes into being already structured like you, with no causal chain to the original.

Isoixperiencitness

The ixperiencitness produced by an iso-material replica. Your structure realized in different matter than the original: silicon, simulation, or alternative biology.

Itoimmortality

Immortality through any body that produces your ixperiencitness. The broadest form of the theory's immortality claim.

Ixperiencitness

The quality of subjective experience that makes it yours. Coined from "I experience it" plus the suffix "-ness." This is the central new word the theory introduces.

Life after death

The continued occurrence of your ixperiencitness in some body, after the death of your current one. The book argues that once you accept how brain structure produces consciousness, this is not optiona

Musixperiencitness

The ixperiencitness produced by "mus" replicas. A particular variant in the theory's full inventory of body types.

Nrgixperiencitness

The ixperiencitness produced by "nrg" (energy-based) replicas. Consciousness arising from an energy pattern rather than from ordinary matter.

Orixperiencitness

The ixperiencitness produced by an "ori" (original) body. The specific version of you that started this lifetime, before any copies.

Principles of superimmortalism

The principles that follow once you accept superimmortality: how it changes ethics, identity, and the way to live.

Principles of superimmortality

The core principles of the theory itself: production, substrate independence, recurrence, and the conclusions they force about death and identity.

Productional itobody Immortality

Immortality made possible because some body that produces your ixperiencitness will be produced again. The active version of the recurrence claim.

Science of superimmortality

The scientific framework for studying superimmortality. Covers its premises, its predictions, the conditions under which it could be falsified, and what empirical work would test it.

Simixperiencitness

The ixperiencitness produced by a simulated replica. A body whose structure is realized in a computational substrate rather than physical biology.

Superimmortalism

The philosophical position that follows from accepting superimmortality. A worldview, a set of values, and a practical stance.

Superimmortality

The theory's central claim: your ixperiencitness will be produced again and again by different physical systems across space and time. Stronger than ordinary immortality, because it includes enhanced

Total consciousness

The complete set of all conscious experiences across all bodies that produce your ixperiencitness. Not just one lifetime, but every one of them taken together.

Tritoixperiencitness

The ixperiencitness produced by a truncated replica. A body derived from your structure but with portions removed.

Types of life after death

The different forms life-after-death can take under the theory: continuation in a replica, fragmentation across many, enhancement beyond your current capacities, or re-emergence in a body that arose i

Vitoixperiencitness

The ixperiencitness produced by a "vito" replica. A body that shares your structure but has been allowed to drift naturally over time.

Replicas (10)

Cidentireplica

A continuing identical replica. A body that maintains structure and functioning identical to yours over time. Both bodies produce the same awarepath simultaneously.

Comboidentireplica

A combination identical replica. A body that holds more than one replica property at once: continuing and enhanced, fragmented and simulated, and so on.

Enhaidentireplica

An enhanced identical replica. A body that produces your ixperiencitness but with capabilities you do not have. Future, augmented versions of you.

Fidentireplica

A fragmented identical replica. A body that produces only part of your ixperiencitness. The book argues this is the most common form of you-ness persistence: your influence on children, students, and

Identireplica

An identical replica. A body whose structure and functioning are identical to yours at a moment in time. The simplest case the theory examines.

Insidentireplica

An instantaneously formed identical replica. A body created in its final state with no causal continuity to the original. Useful for testing whether causal continuity matters for identity.

Itoidentireplica

Any identical replica in the broad ito- category that produces your ixperiencitness through identical structure.

Musidentireplica

A "mus" identical replica. A specific variant in the theory's full taxonomy.

Nrgidentireplica

An energy-substrate identical replica. Your structure realized in an energy pattern rather than in ordinary matter.

Videntireplica

A diverging identical replica. A body that begins identical to you but is allowed to drift naturally over time, becoming gradually different.

Paths (7)

Awarepath

The complete sequence of conscious experiences produced by a body over its lifetime. Your subjective life seen from the inside, treated as a single object.

Expective Awarepath

An awarepath that someone is currently expecting or anticipating. The modeled version of a possible future conscious life.

Ixpepath

The path your ixperiencitness takes over time. Tracks how the you-ness produced by a body changes across its lifetime as the body itself changes.

Mentapath

The mental-process path of a body. The sequence of mental functions over time: the mental side of what produces an awarepath.

Physapath

The physical path of a body, restricted to the properties that actually produce consciousness. A subset of the fuller physipath.

Physipath

The complete physical path of a body. Every physical state it passes through, including states that do not contribute to consciousness.

Sensepath

The complete sequence of sensory stimulations that affect a body over its lifetime. What your senses delivered to you, from birth to now.

Continuums (20)

Awarecontinuum

The total grouping of all possible awarepaths. Every conscious lifetime that could exist, treated as a single mathematical object.

Citoawarecontinuum

The awarecontinuum restricted to continuing identical replicas. Only the lifetimes produced by that specific body type.

Citoixpecontinuum

The continuum of all ixperiencitness paths produced by continuing identical replicas. Tracks how your you-ness changes across that family of lifetimes.

Continuum structure

The general structural concept underlying every continuum in the theory: a connected sequence of states. Foundational for awarepath, physapath, fazspace, and the theory's whole mathematical apparatus.

Coriawarecontinuum

The awarecontinuum restricted to "cori" replicas. A specific body type in the theory's taxonomy.

Corixpecontinuum

The continuum of ixperiencitness paths produced by cori-class replicas.

Fazcontinuum

A connected set of phase-states that a body can pass through. Combines the fazspace coordinate system with the continuum-structure concept.

Fazmulticontinuum

A multi-continuum of fazcontinuums. The structure you get when many fazcontinuums are grouped together.

Fitoixpecontinuum

The continuum of ixperiencitness paths produced by fragmented replicas. How your you-ness can be distributed across many partial copies.

Insixpecontinuum

The continuum of ixperiencitness paths produced by instantaneously formed replicas.

Isoixpecontinuum

The continuum of ixperiencitness paths produced by iso-material replicas. Your you-ness across different physical substrates.

Itoixpecontinuum

The continuum of ixperiencitness paths produced by all itobodies. The broadest grouping, covering every body that produces your you-ness.

Multifazcontinuum

The most general continuum in the theory. A multi-phase, multi-continuum structure that holds all possible conscious lives together. The mathematical setting in which superimmortality is most naturall

Musixpecontinuum

The continuum of ixperiencitness paths produced by mus-class replicas.

Nrgixpecontinuum

The continuum of ixperiencitness paths produced by energy-substrate replicas.

Oriepicontinuum

The continuum of higher-level ("epi") properties produced by original bodies. The emergent structure of consciousness for the original you.

Orixpecontinuum

The continuum of ixperiencitness paths produced by original bodies. The path your you-ness takes through your one original lifetime.

Simixpecontinuum

The continuum of ixperiencitness paths produced by simulated replicas.

Vitoixpecontinuum

The continuum of ixperiencitness paths produced by diverging replicas. Your you-ness as it drifts across vito-class bodies over time.

Vitophysicontinuum

The continuum of physical paths taken by vito-class (diverging) replicas. The matter-side counterpart to the vitoixpecontinuum.

Arguments (9)

2=2 argument

Two identical things can be the same as concepts while different as objects. That gap is why consciousness, which is a pattern, can recur even though a particular brain cannot.

Adjective argument

Consciousness behaves like an adjective, not a noun. It is a property of physical structures, not a separate substance. The argument draws out what follows for personal survival.

Arguments for multiplicity

A set of reasons to believe that the same conscious "you" can exist in multiple bodies at once. Each follows from treating consciousness as a property of structure rather than matter.

Arguments for superimmortality grouped into types

An organized index of every argument the theory makes for superimmortality, sorted by type (existence, multiplicity, recurrence, structural) and by what each one is meant to prove.

Cosmic justice argument

A discussion of whether superimmortality, if true, is fair. The question turns out to be harder than it looks, once you stop treating one lifetime as the whole of you.

Courage and cowardice argument

An argument about the moral weight of taking superimmortality seriously. Refusing to follow the premises to their conclusion is its own kind of intellectual cowardice.

Ixperiencitness arguments

The collected arguments for three claims: that ixperiencitness is real, that it is what personal survival consists in, and that it can be produced by more than one body.

Oriarguments

Arguments about "originals" specifically: the first body you were born in, the one writing this sentence. These arguments show why the original has no stronger claim to be you than any replica.

Test for originalness argument

If two bodies produce identical consciousness, no test could determine which is the "original". The argument uses that fact to show that originalness is not a real property.

Theories (2)

Theories

Scientific theory of immortality

The umbrella name for the theory presented in the book. A fully scientific account of why permanent death is incoherent for a conscious being.

Theories

Scientific theory of life after death

An older alternative name for the theory. It emphasizes that life-after-death is a scientific question, not a religious one.

Proofs (6)

Citoexistence proofs

Proofs and supporting evidence for the actual or potential existence of cidentireplicas: bodies that maintain identical structure to yours over time.

Comboexistence proofs

Proofs that combinations of replica types are possible and meaningful. A single body can be enhanced and continuing and fragmented all at once.

Exipermental and rational proofs

Two kinds of proof for the theory's claims. Experimental proofs describe what observation could show. Rational proofs describe what reasoning alone forces.

Isoexistence proofs

Proofs that iso-material replicas are physically possible: bodies that produce your ixperiencitness from different matter than the original.

Itoexistence proofs

Proofs that itobodies of various kinds exist or can exist. The theory's case that bodies producing your ixperiencitness are real, not just hypothetical.