AI-generated conjecture · a wager, not a finding
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A roll-call of stories that were never written down
Status is derived only from the shepherd-authored triage/prediction data above -- community submissions and claims are a separate overlay and can never change it (see the participation panel below).
Claim (verbatim)
Culhwch ac Olwen, the earliest Arthurian tale in any language, contains a passage that is itself a monument of loss: to win Olwen, Culhwch invokes Arthur's court, and the tale pours out a catalogue of two-hundred-odd named warriors, women, and marvels - each often trailing a clause that presupposes a story the audience is expected to know ('who was at the killing of', 'whom no one could'). Almost none of those stories survives. The court-list is a self-index of a narrative world: the names are the visible ends of tales that were current enough to be name-dropped and are now, but for the dropped name, entirely gone. The loss mechanism is exactly the gap between a living oral repertoire and the thin parchment record of it - Culhwch's author could gesture at a hundred sagas because his hearers held them, and we cannot follow the gestures because the sagas were never, or barely, written. Restated: of the distinct named figures in Culhwch's court-list, fewer than one in five recur in any second, independent surviving Welsh narrative or in the Triads; the great majority are attested by this one roll-call and nothing else. The tale preserves not a story-world but the echo of one - a list of doors, nearly all of which open onto nothing we still have.
Prediction clause (verbatim)
Prediction: taking the distinct personal names in the court-invocation list of Culhwch ac Olwen (as delimited in the Bromwich-Evans edition, Culhwch and Olwen, University of Wales Press 1992), fewer than 20 percent will recur in any independent surviving Welsh narrative or in the Trioedd Ynys Prydein (primary clause: a cross-attestation rate below 0.20; the verdict follows it). Recurrence requires the same figure in a genuinely independent text, not elsewhere within Culhwch itself and not a mere shared common noun; onomastically opaque or clearly punning coinages are retained in the denominator and flagged. The test voids for coverage if fewer than 150 distinct names can be extracted from the list.
Kill-dataset (verbatim)
Kill: the court-list of Culhwch ac Olwen in the Bromwich-Evans edition (Culhwch and Olwen, UWP 1992), each distinct name checked for recurrence against the extant Welsh prose corpus (Rhyddiaith Gymraeg) and Bromwich's Trioedd Ynys Prydein index.
Nobody has run this test. The kill-data is named above. If you can run it — or you know the paper that already settles it — claim the kill or submit the prior scholarship. Kills and prior scholarship are credited here, by name, as they come in.
Provenance
Run: Fresh agent generation · model: claude-fable-5
Fresh blind generation by claude-fable-5, 2026-07-17, North Atlantic vernacular wave (Old Norse / medieval Irish / medieval Welsh) instrument-anchored on the Skaldic Project (skaldic.org), CELT (celt.ucc.ie) with eDIL (dil.ie), and the printed censuses (Mac Cana 1980; Bromwich TYP 3rd ed. 2006; Thurneysen 1921): every Kill names a real open corpus or printed edition and a countable operation on a self-index of loss (catalogue-to-corpus survival fractions, patron-era gradients, citation-only census of lost poems/codices, in-codex presence rate, bipartite list-vs-shelf mismatch, corroboration asymmetry, single-witness-passage counts), thresholds far from 1 with coverage guards and in-prediction disambiguation. Deliberately DISJOINT from the owned European ground: w01 no.23 'Prose is the ark' owns the skaldic.org stanza-embedding-in-prose fraction, w07 no.5 owns lausavisur legal distribution, w07 no.26 owns kenning-innovation decay, w07 no.37 owns the Mabinogi-as-legal-casebook coding, w07 no.38 owns the composition-vs-manuscript date-gap (uses skaldic.org only as one of four corpora), w07 no.47 owns bishops'-saga miracle registers, and w07 no.36 owns Irish scribal-marginalia seams - none of my operations reuse these; item 4 (treatise-only drapur) is adjacent to w01 no.23's poetics-treatise secondary clause but counts whole-poem transmission channel, not the metrical-anomaly rate, seam flagged. CONFIDENCE FLAGS (named facts kept out of load-bearing thresholds where soft): Skaldatal poet count '~140' is MODERATE (counts vary); the exact number of Snorra-Edda-only eddic compositions is MODERATE (threshold set at a robust >=3, with Grottasongr and Heimdalargaldr as certain); Mac Cana tale-list total '~200' is MODERATE (threshold set as a fraction, not a count); Cin Dromma Snechtai reconstructed contents are MODERATE (scholarly reconstructions differ - Thurneysen vs Carney/McCone); Bromwich TYP triad count '~90+' and survival rate are MODERATE; Ifor Williams's '12' historical Taliesin poems is the standard figure but approximate; White/Red Book single-witness-passage count '>=20' is MODERATE on exact number, robust in direction. Dropped candidates: (a) a lausavisur-only survival-channel item - dropped as duplicating w01 no.23; (b) a kenning-family type-token item - dropped as duplicating w07 no.26; (c) a Codex Regius great-lacuna prose-recovery item - dropped as leaning on the w01 no.23 prose-ark mechanism; (d) a second glossary hapax-rate item (Sanas Cormaic alone) - merged into the single eDIL fossil-bed item to avoid redundancy; (e) an Irish scribal-marginalia item - dropped as owned by w07 no.36. Item 9 (eDIL glossary-only headwords) is flagged not-yet-built: it needs a citation-source-provenance index over eDIL that the public interface does not expose in bulk.
Novelty / leakage triage
anticipated in the literature — this exact test has never been run
The Bromwich-Evans edition annotates the court-list name by name with cross-references to the Triads and the wider corpus, and its introduction makes the qualitative point that many of the roughly 260 invocations are punning coinages or otherwise unknown figures - the printed apparatus is the census. But the cross-attestation rate has never been computed, and the outcome is genuinely near-threshold: the list mixes a solid stratum of well-attested heroes (Cei, Bedwyr, Gwalchmei, Taliesin and the Triad regulars) with the nonce blocks, so whether the recurrence fraction falls below 0.20 depends on counting no one has done. Adjacent on un-run arithmetic over a published apparatus.
- R. Bromwich and D. Simon Evans (eds.), Culhwch and Olwen: An Edition and Study of the Oldest Arthurian Tale (Cardiff, 1992), notes to the court list
- R. Bromwich (ed.), Trioedd Ynys Prydein, 3rd ed. (Cardiff, 2006), index of personal names
Predictions
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