School #23

Phenomenalism

Berkeley, Mill

Phenomenalism holds that physical objects are nothing more than stable patterns of actual and possible sensory experiences — to talk about a table is really to talk about the visual, tactile, and auditory sensations one would have under specified conditions. George Berkeley's 'A Treatise Concerning the Principles of Human Knowledge' (1710) laid the groundwork by arguing that material objects are collections of ideas (sense impressions) sustained by God's continuous perception. John Stuart Mill's 'An Examination of Sir William Hamilton's Philosophy' (1865) secularized this into the claim that matter is "the permanent possibility of sensation" — physical objects are logical constructions out of sensory experiences rather than independently existing substances that somehow cause those experiences. Phenomenalism offered an empiricist alternative to both naive realism and skepticism: if objects just are patterns of experience, the gap between appearance and reality closes entirely.

Worldview

The phenomenalist inhabits a world woven entirely from the fabric of sensory experience, where the familiar objects of everyday life — tables, trees, other people — are understood as stable, recurring patterns of sensation rather than hidden substances lurking behind appearances. Reality feels intimate and immediate: there is no gap between what is perceived and what is real, because to be real just is to be perceivable. The fundamental orientation is one of radical empirical honesty, a refusal to posit anything beyond the deliverances of the senses. Living inside this ontology means treating every knowledge claim as answerable to possible experience and nothing else. There is a clarity in this position, but also a certain loneliness, since the inner life of other minds remains a pattern of observed behavior rather than something directly encountered. The framework classifies this as None: phenomenalism's austerity rules out any metaphysical agency beyond the appearances themselves — no personal god, no cosmic principle, no spirits over and above sense data. The framework reads this as Constructed moral authority: with only sense-data and their patterns admitted, any normative source has to be built up from intersubjective regularities among observers — no Scripture, Tradition, or independent Reason has standing outside the construction.

Moral Implications

Ethics within phenomenalism tends toward consequentialism and utilitarianism, since moral reasoning must ultimately cash out in terms of actual or possible experiences — pleasures, pains, satisfactions, and sufferings. Abstract moral principles are meaningful only insofar as they reliably predict experiential outcomes for sentient beings. Duty and obligation are understood as useful constructs that organize cooperative behavior among perceivers, not as features of a mind-independent moral order. Responsibility attaches to the experiential consequences of action rather than to conformity with metaphysical rules. The phenomenalist ethicist is compelled to take suffering seriously precisely because suffering is the most undeniable datum of experience.

Practical Implications

Phenomenalism encourages rigorous empirical testing and verification in science and public policy, since all claims about the world must ultimately be grounded in observational evidence. Technology is evaluated by its capacity to produce reliable, beneficial patterns of experience. In environmental policy, the phenomenalist focuses on the observable effects of ecological degradation on sentient beings rather than on abstract claims about nature's intrinsic value. Medical and psychological practices are oriented toward the amelioration of experienced suffering. Daily life under phenomenalist influence tends toward a careful attentiveness to the quality and texture of immediate experience, paired with skepticism toward claims that invoke unobservable realities.

I. Time

Time is emergent — it exists only as a pattern in the succession of sense impressions. Without perception, there is no time. Time is continuous, linear, and uni-directional as experienced through the flow of sense data. Its extent is finite because only actually perceived or perceivable temporal phenomena are real.

Attributes
Extent: Infinite Ontological Status: Emergent Grain: Continuous Freedom: Non-Deterministic Traversability: Linear Dimensionality: One Direction: Uni-directional

II. Space

Space is emergent — it is constituted entirely by the spatial relations among sense data. Space has no independent existence beyond what is or could be perceived. Its curvature is undefined because the phenomenalist makes no claims about space beyond sense experience. Dimensionality is N because spatial structure depends on the observer's perceptual apparatus.

Attributes
Extent: Both Ontological Status: Emergent Curvature: Undefined Dimensionality: Three Locality: Local

III. Matter

Matter is emergent — it is reducible to actual and possible sensory experiences (Mill's "permanent possibilities of sensation"). There is no underlying material substance behind the appearances. Matter is conserved only in the sense that stable patterns of sense data recur reliably, and local because all material knowledge is grounded in particular sense experiences.

Attributes
Extent: Finite Ontological Status: Emergent Conservation: Conserved Dimensionality: Three Locality: Local

IV. Observer

The observer is the locus of all reality — there is nothing beyond the stream of sense data that constitutes experience. Situated in a single moment and place, the observer perceives phenomena directly but has no access to anything behind or beyond appearances. Knowledge is limited to what is immediately given in perception; what we call "objects" are stable bundles of sense impressions, not mind-independent things. Memory is itself a present phenomenon, so retention is always of the current experiential state rather than of a past that independently persists. The observer is embodied and active — perception is the fundamental act. Multiple observers each inhabit their own stream of phenomena.

Attributes
Time Instance: Single Space Instance: Single Extent of Knowledge: Mediated Retainment of Knowledge: Partial Physicality: Embodied Agency: Active Number: Plural Metaphysical Agency: None Moral Authority: Reason Theological Method: N/A

V. Energy

Energy is emergent — it is a theoretical construct applied to stable patterns of sensory experience. Conservation holds as an observed regularity among phenomena, not as a metaphysical truth about an independent physical world. Dispersibility is irreversible within the flow of sense experience.

Attributes
Extent: Finite Ontological Status: Substantival Conservation: Conserved Dispersibility: Irreversible

VI. Information

Information reduces to sense data — there is no deeper informational substrate behind the appearances. Sense data arise and vanish; there is no guarantee of informational persistence. The framework places this as non-conserved at both scales: there is no informational substrate behind sense data to be conserved cosmically, and no personal-identity pattern beyond the transient bundle of perceptions that constitutes a self.

Attributes
Ontological Status: Emergent Cosmic Conservation: Conserved Personal Conservation: Non-conserved Granularity: Continuous

Experiments This School Responds To (3)

Films Reading Through This School (1)

Debates Where This School Is Allied (1)

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Works that name Phenomenalism in their embodiments

Foundational texts that draw on this school, with each work's declared weight.

20%
An Enquiry Concerning Human Understanding (Late)
David Hume · 1748 (first published as Philosophical Essays Concerning Human Understanding)
15%
A Treatise of Human Nature (Early)
David Hume · Books I & II 1739; Book III 1740 (anonymously; Hume aged 28)
10%
An Essay Concerning Human Understanding
John Locke · 1689 (first ed.); fourth ed. with significant revisions 1700
10%
A Treatise Concerning the Principles of Human Knowledge (Early)
George Berkeley · 1710 (Dublin, age 25)
10%
The Problems of Philosophy (Early)
Bertrand Russell · 1912
10%
Popular Scientific Lectures (Middle)
Ernst Mach · 1895
8%
Knowledge and Error (Late)
Ernst Mach · 1905
6%
Empiricism, Semantics, and Ontology (Late)
Rudolf Carnap · 1950
5%
The Science of Mechanics (Die Mechanik in ihrer Entwicklung) (Mid)
Ernst Mach · 1883

Personas with Phenomenalism as a declared influence

35%  John Stuart Mill 30%  Ernst Mach 15%  George Berkeley

How Phenomenalism resolves each dilemma

56 resolved positions across 4 dimensions, including 12 distinctive where the majority of schools go the other way · 1 unaligned.

Each dimension is sorted so minority positions come first. Mainstream positions are folded into an expandable list.

Time · 9 dilemmas, all mainstream

Matter · 7 dilemmas · 5 distinctive

What stuff is — fundamental, relational, or appearance.

Distinctive · only 16% of schools agree (33/208)
What is money?
The question of what money is — a measured store of real value, an agreed-on practice, a relational ledger of debts, or just a name we apply to many different things — sits behind every argument about inflation, cryptocurrency, debt, and the state.
Money is a social practice — its content is what we make it.
On this view, money is exactly what societies do that performs the monetary functions. There is no fact about whether something is 'really' money beyond whether it is used as money. A community that decides shell beads or carbon credits or proof-of-work hashes count as …
Roads not taken Money is a real institution with intrinsic features. (55%) · Money is the ledger of obligations among real people. (14%) · “Money” names a family of practices — the definition question is nominal. (8%)
Distinctive · only 16% of schools agree (33/208)
What is a nation?
Whether a nation is a real moral community with intrinsic character, a constructed legal-political artifact, a web of kinship and shared history, an imagined community, or a conventional partition of a deeper unity — these are real ontological positions with sharply different political downstream.
A nation is a constructed polity — a project, not a discovery.
On this view, nations are made: by treaties, by wars, by deliberate institution-building, by the slow work of collective practice. There is nothing intrinsic about a national kind; what exists is the practice. What we owe the nation is what we owe any institution we …
Roads not taken A nation is a real moral community with intrinsic character. (55%) · A nation is the web of kinship, ancestry, and shared land that hosts a people. (14%) · “Nation” names a family of practices imaginatively held together. (8%)
Distinctive · only 16% of schools agree (33/208)
What makes someone male or female?
Whether sex is a real biological kind, a constructed social category, a relational identity, a label applied to varied phenomena, or a conventional distinction within a deeper unity is the ontological question the contemporary dispute about gender is mostly about.
Gender is constructed; what counts as male or female reflects practice.
On this view, while biological features exist, what they socially mean — what counts as a man or a woman, what roles attach, how the categories are policed and revised — is the work of social practice. The categories are real but constructed; revising them …
Roads not taken Sex is a real biological kind with given content. (55%) · Sex and gender are constituted by relations of recognition. (14%) · “Male” and “female” are family-resemblance terms — no single essence. (8%)
Distinctive · only 16% of schools agree (33/208)
Should we edit the human germline?
Whether human nature is a given biological kind, a constructed category, a relational achievement, a family-resemblance cluster, or a conventional distinction within deeper unity is the ontological question the policy debate over heritable gene editing is mostly about.
The categories we count as 'human' are emergent from practice; germline editing is a practice-revision like any other.
On this view, biological facts about the genome exist, but what we count as 'human nature' is downstream of practice. The germline is one more thing humans now have technical access to; the question is not whether the practice transgresses an essence but whether the …
Roads not taken Human nature is a real biological kind given by reproductive biology or by creation; editing the germline transgresses what is given. (55%) · Personhood is constituted by relations of descent and kinship; germline editing reshapes the relational fabric. (14%) · 'Human nature' is a cluster term without a single essence; the editing question is empirical, not metaphysical. (8%)
Distinctive · only 23% of schools agree (47/208)
Is the world created from nothing?
Creatio ex nihilo is one of the most distinctive Western-theological claims. Whether matter was created from nothing, eternally exists, or is sustained moment-by-moment turns on what kind of thing matter is.
Matter is real but emerges from something deeper — neither bedrock nor created-from-nothing.
On this view, matter is genuinely there, but it isn't the floor of reality. It depends on something more fundamental — dependent origination, mind, divine sustaining act, computational substrate, or the structure of conditions — and is conserved only at its own level of description. …
Roads not taken Yes — matter was created and is conserved as a real substance. (56%) · Matter is constituted by relations; the question of 'from what?' presupposes substance. (16%) · Matter arises and dissolves through cosmic rounds; neither created from nothing nor eternal. (4%)
2 mainstream positions

Observer · 37 dilemmas · 5 distinctive

Mind, agency, and the knower's relation to the known.

Distinctive · only 15% of schools agree (31/208)
What is our place in nature?
Whether humans are masters of nature, members of nature, or makers of nature is not a question climate science can settle. It depends on what nature is, what we are, and what kind of relationship is possible between us.
Nature is partly what we make of it — concepts, practices, and minds shape the world.
On these views, the 'nature' we live in is not a stand-alone given but something co-constituted by the categories, concepts, technologies, and practices through which we encounter it. There is a world prior to our practices, but what shows up in it as significant, real, …
Roads not taken Active in a real nature — we cultivate, steward, transform. (50%) · Embedded in a web — partners with the more-than-human world. (14%) · Subject to a real natural order we did not make. (12%)
Distinctive · only 15% of schools agree (31/208)
Should we colonize space?
The drive to extend human presence beyond Earth is sometimes framed as the next chapter of stewardship, sometimes as hubris, sometimes as escape from problems we ought to solve here. Which it is depends on what we take our relationship to nature to be.
The 'space frontier' is partly what we make of it.
On these views, space is not a given canvas on which we paint; it is one more domain that is constituted, in part, by the categories, practices, and imaginations we bring to it. What 'colonisation' even means is a function of frames we choose. The …
Roads not taken Cultivating worlds beyond Earth is the next form of stewardship. (50%) · Colonisation continues the work that ended the wisdom of seven-generation thinking. (14%) · Nature includes its limits; colonisation is bounded by what the cosmos allows. (12%)
Distinctive · only 15% of schools agree (31/208)
Is genetic engineering of food stewardship or domination?
Editing the genomes of the plants and animals we eat is either the natural continuation of breeding — careful improvement of what is given — or a category error that treats biology as raw material rather than as living kind.
What counts as a 'natural' genome is itself a construction.
On these views, the line between 'natural' and 'modified' organisms is partly drawn by the categories we use. Domesticated wheat, hybridised corn, selectively-bred cattle are all 'modifications' that prior generations called natural. The salient question is not whether to modify but which modifications, by whom, …
Roads not taken Genetic modification is cultivation by other means. (50%) · Editing the genome cuts into the relational fabric; we should be very slow. (14%) · Biology is what it is; we modify it within real biological constraints. (12%)
Distinctive · only 16% of schools agree (33/208)
When does a person begin?
The political question of abortion sits atop an older ontological one: at what point does there exist a someone — a being with moral standing — rather than merely the materials from which one will form?
A person comes into being gradually, as the capacities of a mind develop.
On this view, personhood is not a status conferred at a moment but a property of beings with certain capacities — to feel, to suffer, to prefer, eventually to reflect. A zygote has none of these; a late-term fetus has many; a newborn has most. …
Roads not taken A person exists from conception — when a new being comes into existence. (55%) · Personhood is conferred by being-in-relation. (14%) · The question presupposes a fact of the matter that isn’t there. (8%)
Distinctive · only 16% of schools agree (33/208)
What is marriage?
Behind every disagreement about how marriage should be defined is a prior disagreement about what kind of thing it is — a given order to be recognized, a practice to be negotiated, or a web of relations to be woven.
Marriage is a practice we shape — its content is what we make it.
On this view, marriage is a human institution shaped by law, custom, and the agreements of those who enter it. There is no fixed essence to discover, only practices to negotiate. As societies change — granting women legal personhood, recognizing no-fault divorce, extending the institution …
Roads not taken Marriage has a given form — it’s a kind of thing we recognize, not make. (55%) · Marriage is constituted by the web of relations it creates. (14%) · “Marriage” names a family of practices — the definition question is nominal. (8%)
31 mainstream positions
Could causation work backwards? Causation runs one way — the arrow of time is real and structural. 68% Is the asymmetry between memory and anticipation a real feature of time, or just of us? The asymmetry is real because time itself has a real direction. 68% Is the arrow of time a real feature of the cosmos, or only of how we describe it? The arrow is real and structural; the asymmetry isn't an artifact of description. 68% Is environmental damage ever truly permanent? Damage is real and permanent on the relevant timescales. There is no recovery; there is only limitation. 66% Can a civilization recover from collapse? Civilizational complexity is hard to build and easy to lose; recovery is at best partial. 66% Does the second law of thermodynamics mean something morally? Entropy is what time is. The moral weight, if any, is the weight of working against the current. 66% Is truth universal, tradition-bound, situated, or constructed? Truth is mind-independent, universal, accessible in principle to all. 66% Does environmental harm in another country bind me morally? Moral obligation tracks the relations one is in; distance does matter, structurally. 50% Can prayer for someone far away affect them? Prayer changes the pray-er, not the prayed-for. 47% Are coincidences ever more than coincidence? Coincidence is exactly what the math says it is. The pattern is in the noticer. 47% Is divine omniscience compatible with human freedom? The observer is in time; foreknowledge across times raises real freedom problems. 46% Does meditation reveal something genuinely timeless? Meditators are bounded observers reporting unusual brain states; the 'timeless' is metaphorical. 46% Does prayer change God's mind? If there is an addressee at all, it is in time; prayer is communication, and may genuinely change what comes next. 46% Are the dead morally present to the living? Observers are bounded by their own moment, and no further agency makes the dead present. 43% What kind of religious-theological authority does the tradition recognize? The category does not apply — the school is non-religious. 42% Who is the moral primary — the individual, the community, the cosmos, the class, or the species? The discrete person is the moral primary. 38% What makes someone the same person over time? You are your body — continuity is bodily continuity. 36% Is the late-stage dementia patient still the person their spouse married? Same body, same person — even when the cognitive pattern has changed. 36% If a teleporter copied and destroyed you, would you have survived? Different body, different person — you died in the scanner. 36% Is reality fundamentally digital? No — continuous fields, classical limits, analog deep structure. 36% Are there indivisible units of experience? No — continuous Jamesian stream, phenomenological lived time. 36% Is memory stored or reconstructed? Reconstructed — continuous re-narrating, no fixed engrams. 36% Does history have a direction or meaning? History is not where the deepest truth lives. 36% Do animals have moral standing comparable to humans? Animal minds are real because biology is the substrate of mind. 31% Could a fetal brain organoid in a petri dish be conscious? Brain tissue can in principle do what brains do; the question is integration. 31% Should we trust expert testimony when we can't verify it? Trust expertise whose conclusions a competent mind can in principle reproduce. 31% Is religious revelation a real source of knowledge? Revelation is evaluable by reason — and not above it. 31% Does an LLM 'know' the things it correctly produces? An LLM can produce correct outputs but not reason to them; useful, not knowing. 31% What happens to "you" when you die? Death is genuinely the end. 29% Could an AI have a mind that matters? No — mind is what a biological brain does, and an LLM has no brain. 29% How is knowledge of reality produced? Through controlled empirical investigation. 17%
1 unaligned
Information · 4 dilemmas, all mainstream
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