https://w3id.org/np/RAn6f-OfMFlN1eWJq5Ff3DSD_FX3UatFpDeZCxkZFkqh8
.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt
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dc:description "The seven classes divide into fourteen distinct modes of arrangement: three in the cubic system, one hexagonal, two tetragonal, one rhombohedral, four orthorhombic, two monoclinic and one triclinic.";
dc:type "theoretical";
<http://www.w3.org/2000/01/rdf-schema#comment> "Formalization: one, contingent. Completeness is a theorem; that nature realises all fourteen is the empirical part.",
"Related claim <https://w3id.org/delphi/resource/claim/thompson1917-ch09-11> (analogy): Thompson explains the six-rayed hexactinellid spicule by vesicles packed in linear series, so that the spicule follows the edges of a system of cubes rather than of hexagons or dodecahedra: the arrangement he invokes is the cubic P mode of Bravais's fourteen. An analogy of packing between cells and lattice points, not a statement that the sponge is a crystal.";
<http://www.w3.org/2000/01/rdf-schema#label> "There are fourteen distinct lattice modes";
<http://www.w3.org/2004/02/skos/core#notation> "|\\text{Bravais lattices}| = 14";
<http://www.w3.org/2004/02/skos/core#related> <https://w3id.org/delphi/resource/claim/thompson1917-ch09-11>;
<https://w3id.org/delphi/ontology/context> "Bravais A, “Mémoire sur les systèmes formés par des points distribués régulièrement sur un plan ou dans l'espace”, Journal de l'École Polytechnique 19 (cahier 33), 1850; read in Études cristallographiques, Gauthier-Villars, Paris, 1866 (1850); Mémoire sur les systèmes de points, § VI, pp. 95-98. Scope: All three-dimensional lattices." .
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dc:bibliographicCitation "Bravais A. Mémoire sur les systèmes formés par des points distribués régulièrement sur un plan ou dans l'espace. Journal de l'École Polytechnique 19 (cahier 33), 1850; read in Études cristallographiques, Gauthier-Villars, Paris, 1866 (1850), 1-128";
dc:creator "Auguste Bravais";
dc:date "1850"^^xsd:gYear;
dc:description "The posthumous 1866 collection reprints the 1850 memoir on lattices and the 1851 memoir on polyhedra of crystalline form. French.";
dc:rights "Public domain (1850; collection 1866).";
dc:title "Mémoire sur les systèmes formés par des points distribués régulièrement sur un plan ou dans l'espace";
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<http://www.w3.org/2000/01/rdf-schema#comment> "Page 183 of the reading copy; paragraph 3259 of the normalised text 1850-bravais.txt (sha256 d7a7910b838d96a1c4b37d979c0ba877c254fd83a256922580fa367c168d3cbd), produced by build/fetch.py and checked by build/check-quotes.mjs. The text itself is not committed.";
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<https://schema.org/text> "Nous allons maintenant appliquer les formules du § IX à chacun des quatorze modes cristallins." .
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<http://www.w3.org/2000/01/rdf-schema#label> "Auguste Bravais 1850 claim: There are fourteen distinct lattice modes";
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