tufte-listslisted

# Lists: Theory and Practice ## Overview Chapter 7 of *Seeing With Fresh Eyes* (printed pp. 141–150) treats the list as a first-class analytical form, not a typographic afterthought. Two claims govern everything below. First, **a list's ordering principle is a claim about the world**: order by effort and you claim effort is what matters; order alphabetically and you claim the reader already knows the name of what they want; inherit an order and you have made a claim without noticing. Second, **lists are all content** — about the substance contained, not the container — which is why lists legitimately escape conventional style sheets, grammar, and punctuation (p. 141). Tufte's empirical theory for reasoning about lists has four parts (p. 141): selection of list items; list quality and completeness; comparing list models; comparing list architectures. The chapter then works each part through cases spanning a thousand years. > Division of labor: `tufte-visual-thinking` §6 carries stacklist fundamentals (the Ausonio/Galileo tree, nesting, combinatorics, *Zong!*); `tufte-typography-for-data` carries content-responsive linebreaks. This skill owns Chapter 7's list theory — inclusion/exclusion, hierarchy testing, 2-D arrays, verb lists, and deliberate orderlessness — and deep-dives what those skills only mention. The chapter's closing Fire Chief case (p. 150) is a meeting-protocol case and lives in `tufte-meetings-and-documents`. --- ## §1. A List Is Whatever It Takes Lists co