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PreprintCC BY 4.0Zenodo

Mathematical Flaw in Integrated Information Theory Undermines Φ as Consciousness Measure — E8 Intelligence Research

  1. 1Independent Researcher, United Kingdom

Abstract

FINDING: Integrated Information Theory (IIT) faces a fundamental mathematical flaw: the core measure Φ (phi) is ill-defined for general physical systems, undermining its claim to quantify consciousness. | MATH: Φ = integrated information (Tononi); prior formalizations (Griffith 2014) rely on information loss; new critique (arXiv:1902.04321) shows Φ is not well-defined — no unique partition exists for arbitrary systems; group testing (arXiv:1902.06002) provides combinatorial bounds on sparse inference, relevant to partitioning complexity. | CONNECTION: The failure of Φ to be well-defined mirrors the breakdown of unique geometric decomposition — akin to non-unique tilings or non-crystallographic point groups (e.g., Penrose tilings with 5-fold symmetry) where no single invariant partition exists. The search for a consciousness measure parallels seeking a universal ratio; none emerges from this evidence. | DEPTH: 6 — It kills a popular theory but offers no replacement; the negative result

Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

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BibTeX
@misc{caldin2026mathematical,
  title = {{Mathematical Flaw in Integrated Information Theory Undermines Φ as Consciousness Measure — E8 Intelligence Research}},
  author = {Andrew Stewart Caldin},
  howpublished = {Zenodo},
  year = {2026},
  month = oct,
  doi = {10.5281/zenodo.23465176},
  url = {https://zenodo.org/records/23465176},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Mathematical Flaw in Integrated Information Theory Undermines Φ as Consciousness Measure — E8 Intelligence Research
AU  - Andrew Stewart Caldin
PY  - 2026
DA  - 2026/10/19
PB  - Zenodo
DO  - 10.5281/zenodo.23465176
UR  - https://zenodo.org/records/23465176
AB  - FINDING: Integrated Information Theory (IIT) faces a fundamental mathematical flaw: the core measure Φ (phi) is ill-defined for general physical systems, undermining its claim to quantify consciousness. | MATH: Φ = integrated information (Tononi); prior formalizations (Griffith 2014) rely on information loss; new critique (arXiv:1902.04321) shows Φ is not well-defined — no unique partition exists for arbitrary systems; group testing (arXiv:1902.06002) provides combinatorial bounds on sparse inference, relevant to partitioning complexity. | CONNECTION: The failure of Φ to be well-defined mirrors the breakdown of unique geometric decomposition — akin to non-unique tilings or non-crystallographic point groups (e.g., Penrose tilings with 5-fold symmetry) where no single invariant partition exists. The search for a consciousness measure parallels seeking a universal ratio; none emerges from this evidence. | DEPTH: 6 — It kills a popular theory but offers no replacement; the negative result  Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
ER  -