Version history — Abstraction¶
Current edition: v3 · 2026-09-28 · prime abstraction
Editions¶
| Version | Date | Change | What changed |
|---|---|---|---|
| v3 | 2026-09-28 | Corrections from an independent fact-check. The group-theory example no longer says 'a group of groups is a category' (groups with their homomorphisms form a category), and no longer lists Lagrange's theorem and character theory, which need finite groups, as valid for every group. 'Not compression' now specifies lossless compression, and 'Not metaphor' no longer says abstraction projects a domain onto a reduced version of itself. The Quine and Floridi footnotes now describe what those works say; Principia Mathematica lists Whitehead first; Sanchez is spelled without an accent; Liskov & Zilles links the SIGPLAN Notices printing; Sommerville (2010) links the Open Library record for the 9th edition. | prose — detailed body (prose edited) |
| v2 | 2026-09-16 | Citation verification: a first 3,245 citations (7.5 %, prime abstractions) now carry a "Show verification details" record under the article's References and on the work's page — graded Supported, Supported in part, or Borderline support, each naming what it was verified against and quoting the passage it rests on. New "Against the text" section and filter on the References index; reference-page Verification rewritten as question and answer. Footnotes cleaned of editorial bookkeeping (~2,900 entries; ~450 mechanism/article versions move). Registry rebuilt. Negative verdicts withheld pending review. | prose — detailed body (prose edited) |
| v1 | 2026-08-24 | First published edition. | first published edition |
Editions are cut at publish time from a content hash of the entity's canonical source, so a version changes only when the content actually changed. Full canonical content for every edition, and the exact per-part diffs between them, are in the downloadable editions archive (editions_archive.jsonl); the current-state index is versions.jsonl.