https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE/Head
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http://www.nanopub.org/nschema#Nanopublication
https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE/assertion
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
http://purl.org/dc/terms/description
Downloaded the Dryad parity file and the FishBase taxonomy tables. Each binomial was matched to class Elasmobranchii. A species with any Egg-laying row counts as egg-laying. The pre-registered thresholds were applied to that count. The D file's nutrition modes were counted and not used for the verdict. Headers seen: parity species, mode; D file species, mode.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
https://w3id.org/delphi/ontology/Assessment
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
http://www.w3.org/2000/01/rdf-schema#comment
Measured: 0.443 proportion of matched elasmobranch species coded egg-laying (n = 772). Interpretation: The quote says dogfish and the other selachians are internally oviparous and externally viviparous: eggs are produced inside and the young are born. Live-bearing is that parity. Egg-laying is the contrary, whether or not the egg is a horny case. The scope includes rays as well as sharks. Placental and yolk-only live-bearing are both live birth, so both meet the parity reading. The test does not decide which form of nourishment the embryo uses.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
http://www.w3.org/2000/01/rdf-schema#label
Claim test of aristotle-ha03-04: refutes, confidence 0.83
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
http://www.w3.org/2000/01/rdf-schema#seeAlso
https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/aristotle-biology/aristotle-ha03-04/result.json
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
http://www.w3.org/ns/prov#wasAttributedTo
https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/admissibleDatasets
A public species-level parity table for sharks and rays, corrected to live-bearing versus egg-laying, matched to FishBase so the scope can include both sharks and rays. The table must have been compiled from the reproductive literature, not from Aristotle.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/assessmentType
claim-test/0.1.0
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/dataKind
biological
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/disconfirmingObservation
A substantial number of sharks, dogfish, or rays are coded egg-laying, so the egg does not turn into a young inside the mother before birth.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/evidenceAgainst
A Sharkipedia search snippet showed an oviparous catshark and several viviparous sharks. That snippet is not this dataset and was not counted.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/evidenceAgainst
After the run, 186 Dryad binomials did not match a FishBase Elasmobranchii species. The unmatched sample includes chimaeras, which are outside that class, and names FishBase spells differently. They are excluded from the proportion. The 342 matched egg-laying species are the verdict count.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/evidenceAgainst
Dogfish genera are not a separate verdict. Their modes will be listed after the run.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/evidenceAgainst
Only the Dryad file description was read before registration. It says shark_modepruned_F_parity.csv codes Live-bearing and Egg-laying. No species row was read.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/expectedObservation
Every matched selachian with a parity code is live-bearing, meaning the young leave the mother rather than an egg being laid.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/failCriterion
Pre-registered. Refutes if at least 10 matched species are Egg-laying, or if the egg-laying proportion is at least 0.10 among at least 30 matched species. Mixed if the egg-laying count is from 1 to 9 and the proportion is below 0.10. Inconclusive with reason underpowered if fewer than 30 species match with a non-empty mode. Inconclusive with reason data-unavailable if the file cannot be retrieved or the mode labels are not Live-bearing and Egg-laying. shark_modepruned_D.csv may be tabulated by mode as a description and does not change the verdict.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/hasConfidence
0.83
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/hasEvidence
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/hasEvidence
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/hasVerdict
refutes
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/hypothesis
If the claim holds, dogfish and the other selachians give birth to young rather than laying eggs, with development completed inside the mother.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/inferenceMethod
Count and proportion of matched Elasmobranchii coded Egg-laying in shark_modepruned_F_parity.csv. Zero egg-layers and at least 50 species supports. Ten or more egg-layers, or a proportion of at least 0.10, refutes. The finer nutrition codes in the D file are descriptive.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/passCriterion
Pre-registered (supports). Primary table: Hughes and Blackburn Dryad file shark_modepruned_F_parity.csv (doi:10.5061/dryad.80gb5mm12), column mode, categories Live-bearing and Egg-laying as named in the deposit's file description. Selachians are binomials matching FishBase v25.04 species in class Elasmobranchii, sharks and rays together, which is the claim's scope. Supports only if at least 50 matched species have a non-empty mode and the number coded Egg-laying is 0.
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/ontology/preregistered
false
https://w3id.org/delphi/resource/claim/aristotle-ha03-04
https://w3id.org/delphi/ontology/hasAssessment
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
http://purl.org/dc/terms/description
parity (live-bearing versus egg-laying) for the verdict; finer modes in the D file are descriptive
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
http://purl.org/dc/terms/license
CC0 1.0
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
https://w3id.org/delphi/ontology/EvidenceItem
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
http://www.w3.org/2000/01/rdf-schema#label
Dataset: Hughes and Blackburn 2025 reanalysis of Katona et al. 2023 chondrichthyan reproductive modes
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
http://www.w3.org/ns/prov#atLocation
https://datadryad.org/downloads/file_stream/3901770
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
http://www.w3.org/ns/prov#atLocation
https://datadryad.org/downloads/file_stream/3901775
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
http://www.w3.org/ns/prov#wasDerivedFrom
https://datadryad.org/dataset/doi:10.5061/dryad.80gb5mm12
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
https://w3id.org/delphi/ontology/hasChecksum
sha256:bb32d5be6070379d3e44db08d58eb1d6f30a64a4ed7a7b89c4afe26b65d8a872
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-1
https://w3id.org/delphi/ontology/hasChecksum
sha256:d74e0becf3782bb68a112c8f45eaf75c1b8acd21d631bdea485046bff15af3cf
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://purl.org/dc/terms/description
match binomials to Elasmobranchii, including rays
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://purl.org/dc/terms/license
CC BY-NC 4.0
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
https://w3id.org/delphi/ontology/EvidenceItem
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://www.w3.org/2000/01/rdf-schema#label
Dataset: FishBase v25.04 species, families, and orders
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://www.w3.org/ns/prov#atLocation
https://huggingface.co/datasets/cboettig/fishbase/resolve/main/data/fb/v25.04/parquet/families.parquet
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://www.w3.org/ns/prov#atLocation
https://huggingface.co/datasets/cboettig/fishbase/resolve/main/data/fb/v25.04/parquet/orders.parquet
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://www.w3.org/ns/prov#atLocation
https://huggingface.co/datasets/cboettig/fishbase/resolve/main/data/fb/v25.04/parquet/species.parquet
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
http://www.w3.org/ns/prov#wasDerivedFrom
https://huggingface.co/datasets/cboettig/fishbase
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
https://w3id.org/delphi/ontology/hasChecksum
sha256:02bfae694deed266250e58ecebf4b10af595178944c431612e865cb37dc563e4
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sha256:3f09bbb09c1c10219277f35b4f8c42aebedd5f1b8e00ebdfdeb0e16574b0e090
https://w3id.org/delphi/resource/evidence/aristotle-ha03-04--claim-test--dataset-2
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sha256:a0f33b60ffbc1950ae8b57f652fd0b327f7d00713602c0f4e847ca1d8c8f69a0
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https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7
http://www.w3.org/2000/01/rdf-schema#label
delphisci claim tester (grok-4.7; cursor/aristotle-claim-tests-ec43)
https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7
http://www.w3.org/ns/prov#actedOnBehalfOf
https://orcid.org/0009-0007-4948-9192
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grok-4.7
https://w3id.org/delphi/resource/model/grok-4-7
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http://www.w3.org/ns/prov#wasAttributedTo
https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7
https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE/assertion
http://www.w3.org/ns/prov#wasDerivedFrom
https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/aristotle-biology/aristotle-ha03-04/result.json
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https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7
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2026-11-08T16:24:31.754Z
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https://w3id.org/delphi/ontology/Assessment
https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE
http://purl.org/nanopub/x/introduces
https://w3id.org/delphi/resource/assessment/aristotle-ha03-04--claim-test
https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE
http://www.w3.org/2000/01/rdf-schema#label
Claim test of aristotle-ha03-04: refutes, confidence 0.83
https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE
https://w3id.org/delphi/ontology/domain
https://w3id.org/delphi/resource/domain/aristotle-biology
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http://purl.org/nanopub/x/hasAlgorithm
RSA
https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE/sig
http://purl.org/nanopub/x/hasPublicKey
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https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE
https://w3id.org/np/RAVpAsk1YSHNIO0P3dcrV27aN8GeK0x9isRIHL4sxzMyE/sig
http://purl.org/nanopub/x/signedBy
https://orcid.org/0009-0007-4948-9192