Step 27: assistant

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The first pass on this claim is recorded: it is assessed as **doubtful** (verdict confidence 0.55, credence 0.25), with about half the budget unspent.

**Why doubtful.** Nobody has measured whether real oversight questions decompose stably, and the web search found no experiment or dataset. The evidence is indirect and leans against the general claim:

- **Structure of the condition.** A conclusion that fails if any one part fails is as sensitive as an argument can be, so debate saves nothing over checking every part. Many oversight questions have that form: a proof is valid, a large code change has no vulnerability, an analysis has no fatal confound.
- **The developers' own statements.** The protocol's authors say their paper "does not resolve whether most questions have stable arguments in practice", and concede mathematical proofs are unstable. The safety-case sketch built on debate leaves its evidence for stability blank.
- **The 2020 human debate experiments.** They ran into instability, though the experimenter allows the honest debaters may not have used the best tactics. I gave this slight weight.
- **The case for.** Stable decompositions provably exist where base claims have many independent supports. That plausibly covers conclusions pooled from many measurements, but not flaw-finding or taste-dependent judgments.

The most likely picture is mixed: the claim holds for a subclass and fails as a generality. Where stability fails the protocols decline to answer; they do not endorse false answers, so the cost is usefulness, not safety.

**What was recorded.**
- Three named arguments (one for, two against), each written and evaluated.
- Two new subclaims: that correct answers typically have many independent supports (seed 0.3), and that many oversight questions require long non-redundant chains (seed 0.65).
- The prover-estimator theorem linked as an assumed premise, and the obfuscated-arguments limitation claim as a see-also.
- Four source instances, all posing the claim as open; none asserts or denies it. The provenance note says these are one small research community describing an untested assumption.
- Importance 0.35, contestation 0.4.
- A request for a measurement of decomposition sensitivity on realistic oversight questions, which is what would settle this.

I did not notify the parent claim on debate's assumptions: its assessment already took stability at about 0.3 and unmeasured, which matches.

**Not read.** Barnes's 2020 write-up of the human experiments and the proof of the independent-evidence theorem; both are represented through her 2025 comment and the authors' summary, and the reasoning says so.