Part IV — What we lose
Part page — the chapters in this part (5).
Part Two conceded almost everything: others found the components of the model independently, described them more carefully, and in several cases measured them. This part asks what remains that is the model’s own. The authors’ answer fits in a sentence; defending it takes five chapters.
Chapters in this part
- Ch 23 — The Narrow Claim — Ch 23 of Punch and Judy v0.5.0 fixes the book’s narrow claim for the VSM and names the four things that do not follow from it.
- Ch 24 — Six Things Nothing Else Does — and What Each Costs — Ch 24 of Punch and Judy v0.5.0 tests whether the VSM assembly, as distinct from its parts, does anything nothing else does, stating each of six credits with its cost.
- Ch 25 — The Transducer — Ch 25 of Punch and Judy v0.5.0 places regulatory loss at the crossing of a boundary rather than in the channel, and states a coding study as its cheapest test.
- Ch 26 — Freedom as a Quantity — The Book He Wrote and We Shelved — Ch 26 of Punch and Judy v0.5.0 recovers Beer’s freedom as a quantity commensurable with the diagnosis, and traces how the tradition shelved it.
- Ch 27 — What Might Replace the VSM — Ch 27 of Punch and Judy v0.5.0 hands each job the VSM claims to whoever does it better, then states the five-item residue that has no other home.
Status
Draft, Punch and Judy v0.5.0 (2026-08-16) — not project canon. This page is a reading aid: it says what the part does and lists its chapters. The part’s own argument, and every charge its chapters make, are the authors’ and are stated at chapter level, where the manuscript’s status notes apply.