William H. Ukers (author)
List's patent is for an improvement on the Napierian system
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'List's patent is for an improvement on the Napierian system and was granted in 1891.' The subject, predicate, and object match the passage exactly without any rewording or generalization needed.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (not a named source), the stance is accurately 'asserts' (a straightforward statement), sentiment is neutral, time qualifiers are correctly null (the passage provides the year 1891 as context but the claim itself makes no temporal assertion), context is appropriately empty, and the quote appears verbatim in the passage supporting the claim.