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Interpretation: Thompson's example is coral corallites; this tests the same statement on plant and animal cell sheets. Euler's formula forces a mean of 6 for any large planar tiling with three cells at every vertex, so agreement confirms the claim without testing a biological mechanism." } ], "http://www.w3.org/2000/01/rdf-schema#label": [ { "@value": "Claim test of thompson1917-ch07-10: supports, confidence 0.8" } ], "http://www.w3.org/2000/01/rdf-schema#seeAlso": [ { "@id": "https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/thompson-growth-form/thompson1917-ch07-10/result.json" } ], "http://www.w3.org/ns/prov#wasAttributedTo": [ { "@id": "https://w3id.org/delphi/resource/agent/delphisci-claim-tester-claude-opus-5-5" } ], "https://w3id.org/delphi/ontology/admissibleDatasets": [ { "@value": "" } ], "https://w3id.org/delphi/ontology/assessmentType": [ { "@value": "claim-test/0.1.0" } ], "https://w3id.org/delphi/ontology/dataKind": [ { "@value": "biological" } ], "https://w3id.org/delphi/ontology/disconfirmingObservation": [ { "@value": "Refutes if most usable tissues have a mean neighbour number more than 0.1 from 6." } ], "https://w3id.org/delphi/ontology/evidenceAgainst": [ { "@value": "A mean of 6 is a topological necessity for trivalent planar tilings (Euler), reproduced by the random-Voronoi control; it is not evidence for any biological mechanism." }, { "@value": "Corallites, Thompson's own example, were not tested." }, { "@value": "Exploratory, not pre-registered: the images were segmented and inspected before the pass criterion was written. Treat the verdict as hypothesis-generating; a pre-registered replication on new images is needed before it counts as a test." }, { "@value": "Grass epidermis falls short of 6, most likely because unsegmented stomata and hairs hide some neighbours." } ], "https://w3id.org/delphi/ontology/expectedObservation": [ { "@value": "Exploratory, not pre-registered: the images were segmented and inspected before the pass criterion was written. Treat the verdict as hypothesis-generating; a pre-registered replication on new images is needed before it counts as a test. A tissue conforms if its mean neighbour number is within 0.1 of 6. 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