https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I/Head https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I http://www.nanopub.org/nschema#hasAssertion https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I/assertion https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I http://www.nanopub.org/nschema#hasProvenance https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I/provenance https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I http://www.nanopub.org/nschema#hasPublicationInfo https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I/pubinfo https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.nanopub.org/nschema#Nanopublication https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I/assertion https://w3id.org/delphi/resource/claim/steno1669-01 http://purl.org/dc/terms/description In crystals of quartz the number and length of the sides vary from specimen to specimen, but the angles between corresponding faces do not change. https://w3id.org/delphi/resource/claim/steno1669-01 http://purl.org/dc/terms/type empirical-generalization https://w3id.org/delphi/resource/claim/steno1669-01 http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/delphi/ontology/Claim https://w3id.org/delphi/resource/claim/steno1669-01 http://www.w3.org/2000/01/rdf-schema#comment Formalization: contingent. The law of constancy of interfacial angles. Follows from a lattice model (angles fixed by the cell), so the empirical content is that natural crystals of one species share one cell. https://w3id.org/delphi/resource/claim/steno1669-01 http://www.w3.org/2000/01/rdf-schema#label The angles of a crystal are constant while the number and length of its sides vary https://w3id.org/delphi/resource/claim/steno1669-01 http://www.w3.org/2004/02/skos/core#notation \theta_{hkl,h'k'l'} = \text{const across specimens of one species} https://w3id.org/delphi/resource/claim/steno1669-01 https://w3id.org/delphi/ontology/context Steno N, “De solido intra solidum naturaliter contento dissertationis prodromus”, Macmillan, New York (Univ. of Michigan Studies, Humanistic Series XI), English translation by John Garrett Winter, 1916 (1669); Prodromus, explanation of figures 5 and 6, p. 272. Scope: Quartz crystals (and by extension crystals of one substance); interfacial angles. https://w3id.org/np/RAVM6Ge-VFJlUFEwVXKj-ojAm85hSwz7A9VgFzJXtwO5I/provenance https://archive.org/details/prodromusnicola00wintgoog http://purl.org/dc/terms/bibliographicCitation Steno N. De solido intra solidum naturaliter contento dissertationis prodromus. Macmillan, New York (Univ. of Michigan Studies, Humanistic Series XI), English translation by John Garrett Winter, 1916 (1669), 205-283 https://archive.org/details/prodromusnicola00wintgoog http://purl.org/dc/terms/creator Nicolaus Steno https://archive.org/details/prodromusnicola00wintgoog http://purl.org/dc/terms/date 1669 https://archive.org/details/prodromusnicola00wintgoog http://purl.org/dc/terms/description Winter's 1916 translation with Hobbs's foreword; the Latin original is in archive.org nicolaistenonisd00sten. 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