Corpus erratum canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Erratum cid000018ERR0001canonicalv1

Book II Chapter 5 — Typo in ι_τ Numerical Value

Erratum: Book II Chapter 5 (first printing) listed ι_τ ≈ 0.341305; the correct value to 6 decimals is ι_τ ≈ 0.341304. The derivation is unaffected; only the displayed decimal expansion in equation (5.3) was off by 1 in the sixth decimal.

Payload

Erratum. In Book II Chapter 5 (first printing, equation 5.3), the numerical value of ι_τ was displayed as

ι_τ ≈ 0.341305

The correct value to six decimal places is

ι_τ ≈ 0.341304

(specifically, ι_τ = 2 / (π + e) = 0.3413035…). The derivation, proofs, and downstream calculations are unaffected — only the displayed sixth-decimal was off.

Second-printing copies and the online version are corrected. Cite the original Book II Chapter 5 alongside this erratum if quoting the affected equation.

Identifiers

  • Corpus ID cid000018
  • Primary alias ERR0001
  • Type Erratum
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

book-ii-chapter-5-typo-erratum

Release lines

corpus_v3_working

Version & History

  • v1 · 2026-05-10 initial corpus item seed

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