Abstract
Scientific realism has traditionally been grounded in the assumption that reality exists independently of observation and theoretical description. This paper argues that this independence ontology is neither logically required by realism nor supported by the best current physical theory. First, the independence assumption is shown to be structurally unstable. Second, the No Miracles Argument — the primary justification for realism — is shown to fail as an inference from empirical success to ontological independence. Third, scientific realism is reconstructed without independence, as a commitment to structural invariance and empirical constraint. The result is not the abandonment of realism, but its transformation in response to quantum theory.
I. The Independence Assumption
The dominant philosophical background of much scientific interpretation can be stated simply:
Reality exists independently of observation, measurement, and theoretical framework.
This claim appears to secure objectivity. However, it introduces a strong metaphysical thesis: that reality consists of observer-independent intrinsic properties.
When made explicit, this thesis encounters structural tension.
All scientific knowledge arises through:
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measurement,
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experimental arrangement,
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mathematical modelling,
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theoretical framing.
Thus every claim about reality is produced within structured observational conditions.
The independence ontology attempts to describe a standpoint that is, in principle, outside all such conditions.
This creates conceptual instability: the doctrine relies on what it denies.
II. The Failure of the No Miracles Argument
The No Miracles Argument claims that:
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Scientific theories are extraordinarily successful.
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Their success would be miraculous unless they were approximately true.
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Therefore, the best explanation of success is realism.
However, this inference is invalid.
Multiple ontologies can explain the same empirical success. Quantum theory itself demonstrates this underdetermination: distinct interpretations yield identical predictions.
Therefore, empirical success does not uniquely support independence realism.
The explanatory step from success to observer-independent ontology requires an additional philosophical premise — not supplied by physics.
III. Quantum Theory as Structural Pressure
Quantum mechanics intensifies the difficulty for independence realism.
The theory exhibits:
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contextuality,
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non-commuting observables,
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entanglement,
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resistance to global non-contextual property assignment.
These structural features conflict with classical intrinsic definiteness.
To preserve independence realism, one must introduce:
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nonlocal hidden variables,
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dynamical collapse mechanisms,
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ontological branching,
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or reinterpretations of probability.
These strategies modify metaphysics to protect the independence assumption.
But the formal structure of the theory does not require intrinsic observer-independent definiteness.
Thus quantum theory does not support classical independence ontology.
IV. Reconstructing Realism Without Independence
If independence is not required, realism can be reformulated.
Scientific realism need not claim that reality consists of intrinsic, perspective-free properties.
Instead, it can be understood as commitment to:
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structural stability,
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invariant relations,
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explanatory coherence,
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and intersubjective robustness of empirical results.
On this view:
Reality is what constrains theory through stable structural relations.
Objectivity becomes invariance under transformation, reproducibility of results, and formal consistency — not absence of perspective.
This structural realism preserves scientific integrity without committing to metaphysical independence.
V. The Transformation of Realism
Under this reconstruction:
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Empirical success still matters.
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Theories still aim at truth.
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The world still constrains inquiry.
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Science remains objective.
What changes is the metaphysical framing.
Reality is no longer conceived as a domain of intrinsic, observer-independent properties existing outside all theoretical structure.
Instead, reality is understood as structurally articulated and accessible through invariant relations.
Quantum theory does not undermine realism.
It undermines independence ontology.
Realism survives — but only if it relinquishes its classical metaphysical foundation.
VI. The Trilogy Completed
The argument now forms a coherent sequence:
1. Independence Assumption
Shows that classical ontology is structurally unstable.
2. No Miracles Argument
Shows that empirical success does not justify independence.
3. Structural Reconstruction
Shows that realism can survive without independence.
Together, these steps demonstrate that scientific realism does not require ontological independence, and that modern physics provides strong motivation for revising that assumption.
The result is not anti-realism.
It is a transformation of realism.
Conclusion
The independence ontology once served as a powerful metaphysical backdrop for classical physics. However, neither logical inference nor quantum theory compels its acceptance. Empirical success does not entail ontological independence, and the No Miracles Argument fails to establish that inference.
Scientific realism can and should be reconstructed in structural terms — grounded in invariance, relational stability, and empirical constraint rather than intrinsic, observer-independent properties.
Under this reconstruction, realism remains intact. What falls away is the unnecessary metaphysical commitment that reality must exist in complete independence from observation and description.
Quantum theory does not threaten realism.
It invites its refinement.
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