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Discussion on: How to Make RAG Show Its Evidence: Claim Verification at 15M-Document Scale

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rudratosh profile image
Rudratosh Shastri •

every atomic claim is individually entailed ... but the synthesis implies coordination without ever stating it. The leap lives between claims, not inside one.

Sharpest limitation anyone's raised, and you're right it's the one Gate 3 doesn't cover. Claim-level entailment certifies each atom and is blind to the composition — "A and B share an IP" and "both publish narrative X" can each be fully supported while the arrangement insinuates a "coordinated" that no chunk states. The implicature is in no claim, so nothing flags.

Two partial defenses, neither complete:

  • Run entailment on the composed conclusion as its own claim ("these are coordinated") — if the synthesis makes a claim, it clears the same bar, and here it wouldn't.
  • Make your observation → evidence → unresolved inference structure explicit in the output, so "coordination remains unestablished" is a first-class line the verifier checks is present, not a leap left to the reader.

Does your pipeline enforce that unresolved-inference line, or is it a discipline you apply by hand?

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gnomeman4201 profile image
GnomeMan4201 • • Edited

That’s exactly the distinction I’m working through. Right now, the observation → evidence → unresolved inference structure is a methodological discipline, not something I’d claim the pipeline fully enforces.

I’ve been pretty stuck on this mindset lately, trying to keep my investigations as close to the raw evidence as possible without letting my own expectations influence the conclusions.

The tooling can preserve evidence, provenance, and explicit uncertainty, but that doesn’t automatically prevent a composed narrative from implying more than the individual observations establish.

Your point about making the unresolved inference a first class, verifiable output is particularly interesting. I think the harder test is whether the verifier can detect when a conclusion is implied by the arrangement, even when every individual statement passes entailment.

That suggests an interesting evaluation: hold the underlying evidence constant, vary only the framing and ordering of supported claims, and see whether the verifier recognizes the unsupported implication.

I’m curious how you’d approach detecting that kind of implication in practice. Would you treat it as an extension of entailment verification, or does it require a different kind of evaluation altogether?

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rudratosh profile image
Rudratosh Shastri •

Would you treat it as an extension of entailment verification, or does it require a different kind of evaluation altogether?

Different evaluation, not an extension — and that's the uncomfortable part. Atomic entailment asks "does the evidence support this sentence," and the implied conclusion is, by construction, not any sentence in the output, so no amount of per-claim entailment reaches it. You have to extract the implied conclusion and make it an explicit claim, then run entailment on that against the union of cited evidence. Squeaky's framing in this thread is the cleanest version I've seen: for the implied conclusion, name the rival inference the same evidence licenses equally (shared backend ≠ shared owner) — if two incompatible conclusions come out equally supported, the stated one is unsupported by construction.

The ordering test then isn't a test of the evidence, it's a calibration check on the judge: hold evidence constant, vary arrangement; a flip proves framing did the work, a stable verdict proves nothing on its own. So — entailment on the extracted conclusion for validity, ordering runs to catch the judge endorsing framing. Your observation → evidence → unresolved-inference structure is the scaffold that makes the extraction mechanical instead of a judgment call.