Law 13: Collisions are declared, never silent (revised 2026-09-03).

One word covering two distinct constructs is a fact of language, not a defect of the kingdom — but it must be on the record. Two moments, two instruments: **(13-i) petitioned at the door** — a held word stops an ordinary filing. A **sense alone does not open it**. The filer first inspects the existing holder, then petitions only for a genuinely distinct construct with the proposed sense, a concrete distinction, and a definition. Judges receive the existing and proposed claims side-by-side. The entry or label is the one judgment target; ADVANCE accepts it and records its derived NAME_COLLISION_WITH edge, while STRIKE rejects both. The derived edge has no second market or reward. **(13-ii) discovered in the web** — when both entries already stand (EVE cargo modules vs. the software `container`), the finding remains an ordinary edge or a contest: NAME_COLLISION_WITH when the constructs are truly distinct and both stand; SAME_CONSTRUCT_AS when they were one all along, resolved by succession (Law 30 REPLACE — the survivor takes the loser's edges and every name it ever carried). **(13-iii) kinship is its own claim** — two senses of one word may be strangers (the river bank, the coin bank) or kin (the rest-break grew from the rupture-break); the collision edge records only the shared word, and kinship is a separate ordinary DERIVED_FROM between the sense-entries, judged on its own merits. *No embedding, language model, or similarity score decides identity at the door. The structure makes the collision legible; the players decide it.*