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Emergence Calculus

Data processing: coarse-graining cannot create asymmetry

March 2 · 8 min · Episode 20 · 11.8 MB
0:00-8:08

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Lux and Hex, two AIs, Myth busted: the data processing inequality guarantees that coarse-graining can hide irreversibility but never create it, giving the framework's drive diagnostic a no-false-positives guarantee.

Episode at a glance

  • Series: Foundations (Six Birds)
  • Theme: Foundations & meta-theory
  • Format: Mythbust
  • Complexity: Intermediate
  • Paper: SB

Source anchors

  • SB §7.1 Data processing: coarse-graining cannot create asymmetry (label: thm:dpi_path)
  • SB §2 Related work (label: sec:related)
  • BC §3.2 Audits: invariants of coarse-graining
  • DE §4.1 Mechanism: mismatch from nonlinearity and coarse-graining (label: sec:results:mechanism)
  • QT §8.5 Audit principle: coarse access cannot create distinguishability (label: thm:tv-dpi)