The Case

The bar every total theory faces

Any theory that claims to describe everything, its own theorists included, faces demands that can be stated without reference to any particular candidate. It has to be coherent: consistent, its constructions well-defined, its primitives declared rather than smuggled, its rules applied uniformly, its explanations grounded, its own theorizing seated inside what it describes. One coherence condition carries most of the weight: a theory attributing only abstract structure to the world says almost nothing, because any collection of the right size can be arranged to instantiate the structure it specifies — the century-old Newman problem — so something must anchor that structure and the theory’s central terms to reality. And it has to be complete: it cannot go silent on how determinate facts arise, on whether some processes have an inside — something it is like to be them — or on where its own theorists sit, and still count as a theory of everything.

The completeness demands are not a wishlist. They are forced, mostly by one requirement — that the theory seat its own theorist inside the world it describes. Unpack what it takes for a theorist to exist and the domains fall out as consequences: a theorist persists and changes, is made of something rich enough to carry memory, registers determinate facts against a field of alternatives, has or on principle lacks an inside, and acts. The net is derived on its own terms, before any candidate is named, and it specifies a target without claiming anything has hit it or that only one thing could.

The pattern

Run the current families of total theory through that net and a pattern appears: most illuminate one region of reality and go dark on another. Two do not, and they are the comparison that matters.

clears partial or contested silent.   Left of the divider, whether the theory covers the world it describes; right, whether it seats its own theorist. Graded from each account's strongest defended version, and diagnostic rather than a ranking. Six coherence-and-anchoring columns are omitted; two carry further partials for the framework. Full grading in the papers below.

Physics-first accounts cover the world and its content and go dark on the theorist, on how determinate facts arise, and on the inside. A mind-first account, Integrated Information Theory (IIT), is the mirror image: it speaks to the inside and leaves the physics dark. A form-first account holds that structure is fundamental and cannot anchor it. Each lights a region; each leaves regions dark — and stapling the two halves together does not work in general, because a physics-first base and a mind-first base typically share no common ground to join along. Two rows come through with almost nothing dark — Whitehead’s process philosophy, and Russellian monism except on determinacy — and what separates them from the framework is how much each settles rather than how much each covers.

The shape of an answer

What kind of theory could carry the physics and still say something principled about experience? The hard problem’s usual moral is that nothing would even count as an answer. That moral is too strong: what an answer would have to look like can be derived before any candidate is named. A theory that answers every demand from primitives its base already needs — no axiom bolted on to assert the link — must carry both an intrinsic and an extrinsic aspect in its fundamental ingredients, with the outward side carried by genuine relations; must apply its own dynamics to the theorist doing the theorizing; must fix its reference by a natural relation internal to the base; and must rest on a well-defined formal object. The shape converges on Russellian monism, reached from the demands of totality rather than the mind–body problem, and hands it burdens its defenders never took up. Two systems reached that region and left the same bill unpaid — Whitehead’s process ontology and Spinoza’s one substance — and neither built the formal object. The search space for a total theory is narrower than the discourse assumes.

The two debts the shape incurs

A theory of the forced shape does not get its hardest commitments for free. Carrying both aspects in the basic ingredients, on the many-bearers horn Whitehead occupied, creates two debts — and each now has a paper arguing it is payable, on its own terms, before the candidate is graded.

Both debts turn on a single identity, and it is the framework’s most consequential claim — so it is worth stating plainly, rather than letting it accumulate out of the argument. Projective Process Monism holds that experiential structure and physical structure are one structure, read from inside and from outside — flatter than the usual formulation, which casts experience as the intrinsic nature of an independently described physical world. The identification is argued where it is sharpest, at the geometry of orientation; carrying it across to the space experience is laid out in is a further step, marked as a posit rather than proved. It is a proposal about how the physical world and experience relate, put forward to be defended and tested.

That manifold turns up on the experiential side independently. Modeling the field of consciousness, Rudrauf and colleagues (2017) assign experienced space the same projective form — a fit with initial psychophysical support, awaiting replication, and their model keeps experienced space distinct from the physical world, so the identification stays this framework’s claim. No coincidence is being cashed in here: orientation space is the same manifold for any rigid body. The agreement makes the proposal natural, and the argument is built to need nothing more from it.

The candidate, measured

The fifth paper runs Projective Process Monism through the net. It seats its theorist by construction: the observer is a process inside that one geometry, so — on the identification set out above — experience is the inside of the very event that measurement describes from outside. It keeps one rule across quantum measurement and conscious experience, with no special exemption for either, and the arrow of time falls out of the accumulation of records — an economy rather than a gate its rivals fail, and marked partial for that reason. It fixes what it means by “actual” inside its own geometry, partial too: reference to the arena itself is a question one level up, the same regress pressed on its rivals. And it takes a principled position on every domain the net names. It realizes the shape derived above — an ontology of events each carrying both aspects, with the formal object Whitehead and Spinoza left unbuilt supplied by the geometry as far as the construction has been carried.

The assessment keeps its ledger honest. Where the framework’s position rests on a posit — the monist identification, the evidential read — the fifth paper prices it as a posit and points at the companion that argues it, rather than grading it as settled. Most accounts do not manage the span together — seating the theorist, one uniform rule, anchored reference, a position across the whole net. That coverage takes a single arena whose one base reaches both the world and the inside.

What that does, and does not, establish

Clearing the net does not make the framework correct. It makes it an account of the right structural kind — a candidate that meets the conditions any total theory must, rather than one that reaches breadth by exemption or leaves regions blank. Its quantitative debts sit inside domains it already addresses: some particle masses not yet computed from the geometry, inflation treated as an external input, the primordial fluctuation spectrum, a small residual in the gravitational constant, and a dark-energy equation of state in tension with recent survey data on the framework’s simplest model of it. And it stakes itself on measurement: one measured scale fixes the energy scale, the constants follow from the geometry together with a few load-bearing choices left openly on the books, and a Page curve that should not turn over is a clean kill if black-hole evaporation proves unitary.

The claim here is deliberately bounded: this belongs in the conversation about total theories because it meets the structural bar and puts numbers at risk. Whether it is true is settled elsewhere, by those measurements.

Read the argument

The full development is in five short papers, and the order is the argument: the bar, the shape it forces, the two debts that shape incurs, and the candidate measured against all of it. The first two name no candidate. The middle two argue the debts payable. Only the fifth grades the framework.

For what the framework actually says and derives, see the explainer and the framework references.