Continuum physics represents states as real- or complex-valued fields and dynamics as operators on infinite-dimensional function spaces. Under an ontic interpretation, however, fundamental evolution must be semantically total: it must take every admissible state specification to a successor state specification in which all admitted magnitudes remain denoting. We make this requirement explicit using standard admissible representations, in which denotation is characterized by bounded finite-precision input dependence on state descriptions. We show that standard continuum dynamics can violate this semantic closure requirement even when the underlying PDE is linear, well posed, and uniquely solvable. The obstruction is forced extensional totalization: a regional readout can require joint control over countably many individually well-behaved contributions in a way that destroys bounded input dependence and hence denotation. Because locality commits a field ontology to treating spatial restrictions on compact regions as single physical magnitudes, this failure mode cannot be avoided by appealing to pointwise readouts or sequential access. Reanalyzed in these terms, the Pour-El and Richards Theorem 2 construction for the three-dimensional wave equation provides a concrete witness: admissible finite-energy initial data evolve to states whose regional field restrictions do not admit admissible names in the required function-space topology. The obstruction is semantic rather than epistemic: it does not concern what can be computed or observed, but the failure of continuum evolution to preserve denotation under realist locality commitments. The conclusion is eliminative: unrestricted continuum field ontology cannot serve as the basis of a semantically closed fundamental dynamics.
Continuum physics represents states as real- or complex-valued fields and dynamics as operators on infinite-dimensional function spaces. Under an ontic interpretation, however, fundamental evolution must be semantically total: it must take every admissible state specification to a successor state specification in which all admitted magnitudes remain denoting. We make this requirement explicit using standard admissible representations, in which denotation is characterized by bounded finite-precision input dependence on state descriptions. We show that standard continuum dynamics can violate this semantic closure requirement even when the underlying PDE is linear, well posed, and uniquely solvable. The obstruction is forced extensional totalization: a regional readout can require joint control over countably many individually well-behaved contributions in a way that destroys bounded input dependence and hence denotation. Because locality commits a field ontology to treating spatial restrictions on compact regions as single physical magnitudes, this failure mode cannot be avoided by appealing to pointwise readouts or sequential access. Reanalyzed in these terms, the Pour-El and Richards Theorem 2 construction for the three-dimensional wave equation provides a concrete witness: admissible finite-energy initial data evolve to states whose regional field restrictions do not admit admissible names in the required function-space topology. The obstruction is semantic rather than epistemic: it does not concern what can be computed or observed, but the failure of continuum evolution to preserve denotation under realist locality commitments. The conclusion is eliminative: unrestricted continuum field ontology cannot serve as the basis of a semantically closed fundamental dynamics.
Continuum physical theories model states as real- or complex-valued fields and dynamics as linear operators on infinite dimensional spaces. Under explanatory realism, an ontic interpretation incurs two semantic commitments: (i) real-valued physical magnitudes must denote relative to the theory’s admissible state interface, and (ii) the theory must be semantically closed under its own evolution and readout rules. Denotation is interface-relative: it requires the existence of a total continuous witness on names. Equivalently, it requires bounded input dependence at each fixed finite precision. Failure of bounded input dependence is captured by forced extensional totalization (FET), in which even coarse output precision cannot be stabilized by any finite prefix of a state name. We give a physics-facing construction of FET for the three-dimensional wave equation with Kirchhoff point readout. We construct a countable family of smooth, compactly supported, finite-energy initial states localized on pairwise disjoint shrinking latitude belts on the Huygens sphere, and restrict the admissible domain to states containing at most one localized contingency. Each nonzero belt perturbation is normalized to contribute the same order-one amount to the readout, while the zero state contributes none. Under any non oracular state interface satisfying a minimal locality-of-access condition, no finite prefix can rule out activation of some sufficiently deep belt. The induced point readout therefore behaves like the existential predicate "some belt is active'', exhibits FET at the zero state, and fails to denote. Semantic closure fails: the evolution-readout pipeline yields a localized point magnitude that is non-denoting relative to the fixed state interface. The result isolates a semantic obstruction to ontic readings of continuum dynamics. It is independent of computability, predictability, or measurement feasibility, and it holds despite smooth compact support, finite energy, and classical well-posedness.
Computable Wavefunction Realism (CWFR) is an ontological framework for quantum theory derived from the semantic commitments of explanatory realism. Explanatory realism requires that physical magnitudes denote under admissible representations and that lawful evolution be closed on the intended ontic domain. Read literally, continuum ontology challenges these requirements through three distinct forms of semantic instability: domain instability arising from unbounded aggregation of fine-scale structure, range instability arising from non-open predicate structure, and closure failure under lawful evolution. CWFR does not begin by postulating computability or finite information; both arise as consequences of the semantic conditions required for physically meaningful ontology. The resulting answer is given by four postulates: Lorentz-invariant spectral band-limitation, identification of the ontic domain with states admitting Type-2 computable names under the chosen representation, admissible successor dynamics given by total Type-2 computable maps on the admissible domain, and restriction of physically meaningful predicates to those whose truth sets are open in the representation topology. The paper develops the structural consequences of these constraints and establishes non-vacuity through explicit admissible successor constructions. CWFR is not proposed as a replacement for continuum quantum mechanics at the level of mathematical formalism, but as a restriction on ontological interpretation imposed by semantic stability conditions. Macroscopic structure arises from refinement geometry induced by admissible stability predicates, classical worlds emerge as maximal refinement threads, and probability assignments operate on locally finite refinement partitions. Extension to realistic interacting quantum field theories is identified as a programmatic direction rather than a completed result.
Paper 1 established quantum mechanics as the mathematics of partial closure within Atomic Continuum Ontology. This second paper develops the first major formal bridge: the Schrödinger equation as closure evolution. Rather than interpreting the wavefunction as a particle-cloud, ghostly object-wave, or hidden object-state, this paper interprets ψ as a phase-bearing partial-closure profile within the atomic continuum. The Schrödinger equation is then translated as the differential law by which partial closure remains dynamically admissible under Hamiltonian constraint. The Hamiltonian becomes a closure-admissibility operator; i expresses phase-rotation structure; ℏ functions as the quantum scale of closure-action; eigenstates become stable closure modes; eigenvalues become disclosed energy residues; and unitary evolution becomes phase-preserving closure flow. This framework preserves the standard quantum formalism while shifting its ontological reading from object motion to partial-closure dynamics. Measurement is not treated as ordinary Schrödinger evolution, but as a later reclosure transition, thereby preparing the transition to Paper 3.
The causal closure of the physical is often formulated as the claim that every physical effect has a sufficient physical cause. That formulation leaves two parameters tacit: the domain over which closure is asserted, and the completeness relation—causal, dynamical, or explanatory—that closure asserts of it. Both become unstable when the term physical is indexed to competing quantum ontologies. Wave-function realism treats the quantum state as a field on a high-dimensional space, whereas primitive-ontology, spacetime-state, multi-field, and nomological approaches characterize the fundamental ontology differently. I distinguish spatiotemporal-domain closure from fundamental-physical closure and separate causal closure from dynamical and explanatory completeness. Conditional on wave-function realism, spacetime-restricted closure fails if ordinary spacetime is derivative, but theory-relative closure may remain true once the wave function is counted as physical. The apparent conflict therefore does not establish a trans-domain causal breach. It reveals a formulation dilemma for causal arguments for physicalism: a spacetime-restricted closure principle is too narrow to accommodate serious quantum ontologies, while a theory-relative principle requires an independent, non-question-begging criterion of physicality—and an explicit bridge from dynamical to causal completeness—before it can exclude nonphysical mental causes. Quantum ontology thus converts the familiar problem of characterizing the physical from a deferrable objection into a structural requirement on causal arguments for physicalism, without supporting interactionist dualism. It also explains why appeals to Hilbert space, the PBR theorem, the Born rule, or Bohmian guidance cannot by themselves yield the stronger conclusion.
We establish a logically closed, mathematically formulated, computationally executable, and experimentally falsifiable theory of wave dynamics within the global-realist framework. The construction inherits exactly three physical axioms: microscopic ontic definiteness and finite localization, the physical reality of the spacetime–vacuum substrate, and persistent causal source–response coupling. A physical wave is defined as a propagating or mode-transferring retarded disturbance generated by an actual finite source history, rather than as an independent substance or a universally ontic wave function. A unified causal chain is developed from finite-core source functionals and local, nonlocal, or hereditary medium response to constraint-compatible retarded Green operators, physical modes, energy–momentum and wave-action transport, scattering, interference, diffraction, nonlinear conversion, stochastic propagation, source reaction, and detector records. The theory treats strong, weak, and distributional solutions; hyperbolic, parabolic, dispersive, and mixed operators; gauge constraints; direct and tail propagation; spectral poles, branch cuts, continua, quasinormal modes, bound states in the continuum, and non-Hermitian representations. Controlled reductions include WKB rays, diffusion limits, transport equations, envelope models, solitons, shock laws, and classical branch theories with explicit error bounds and limit-order requirements. Scalar, electromagnetic, gravitational, acoustic, elastic, surface, internal, plasma, lattice, thermal, nuclear, matter, active, nonreciprocal, chiral, gyrotropic, and time-varying waves are internalized using unified notation while retaining their distinct sources, constraints, polarizations, constitutive structures, boundaries, nonlinearities, and observables. Executable regression suites verify smooth propagation, entropy shocks, passive memory, constraint preservation, dispersive transport, matched layers, resonance poles, quasi-BIC opening, spectral-pollution rejection, and an infinite-domain resonance computed independently by exact Dirichlet-to-Neumann reduction and exterior complex scaling. The resulting architecture distinguishes structural derivation, numerical verification, parameter calibration, and held-out experimental validation, thereby providing explicit rejection criteria for every admitted wave model. **Keywords** Global realism; wave dynamics; causal Green functions; finite-core sources; historical memory; wave propagation; dispersion; wave action; scattering; nonlinear waves; stochastic media; quasinormal modes; bound states in the continuum; topological waves; numerical verification; experimental falsifiability.
Foundational problems in physics—including quantum measurement, spacetime emergence, gravitational dynamics, nonlocality, the arrow of time, and the status of physical existence—are typically addressed in isolation, via model-dependent extensions or interpretive assumptions. This work proposes a different approach. We introduce a constraint-based framework, the Closure Admissibility Principle (CAP), which specifies minimal structural conditions any physical description must satisfy in order to be globally consistent. CAP is formulated in operational terms, using admissibility of states, recoverability under refinement, and stability of closed records, without assuming spacetime, dynamics, or ontology a priori. We show that enforcing these constraints induces a unifying closure structure on law-space, from which several persistent foundational puzzles are resolved as structural consequences rather than postulates. In particular, collapse is reclassified as record selection, spacetime and gravity emerge only in compressible regimes, General Relativity appears as an infrared universality class rather than a fundamental law, singularities correspond to failures of admissible description, and null (“nothing”) models are excluded as inadmissible fixed points. The framework is explicitly falsifiable via operational and weak-field tests, and its scope and limits are stated precisely. The results suggest that many foundational paradoxes arise not from incomplete dynamics, but from admitting globally incoherent physical descriptions.