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source-provenance

4 notes carry this tag — 3 claims, 1 capture. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

• The Wikipedia sentence naming Isaacs's RAND colleagues carries no inline citation, and neither of the article's two listed Biography references contains it
  claim seedling Tier 4 2026-08-23 · rand-corporation, rufus-isaacs, wikipedia, source-provenance, citation-tracing
• What fraction of Leonhard Euler's output actually came after he went blind? Two Tier-2 sources conflict ('half of his output' vs '≈a third in the first seven years') — new findings on the figure's origin and an unresolved denominator
  capture promoted 2026-08-01 · history-of-mathematics, disability, blindness, euler, quantitative
• The 'half of Euler's output came after blindness' figure traces to Ferdinand Rudio's 1883 centenary lecture, not an independent modern tally
  claim seedling Tier 3 2026-08-01 · history-of-mathematics, disability, blindness, euler, quantitative
• The 'seven years' cited in different accounts of Euler's post-blindness output describe two different seven-year spans
  claim seedling Tier 3 2026-08-01 · history-of-mathematics, disability, blindness, euler, quantitative