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Les sources
manuscrites de la théorie de la musique __________________________________ |
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Si volueris |
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PRAHA, Statni knihovna (CZ-Pu), XIX.C.26, f. 39r-v. |
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Edition : Christian Meyer, Mensura monochordi. La division du monocorde (IXe-XVe siècles) (Paris: Société française de Musicologie, Éditions Klincksieck, 1996; Publications de la Société française de Musicologie, II,xv), p. 231. |
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Si volueris monochordi regularem dimensionem facere, sic divides. |
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Chromatici quoque superiacentis tetrachordum notabis, si primi toni diatonici generis medietatem, converso circino ultra transmutas. |
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Enarmonium vero facies, si ultimam lineam secundi toni ultimamque semitonii diatonici generis per alia duo genera aequaliter traducas. Erit vero notandum semitonii spacium in enarmonio in duo aequa dividi, quae dieses appellantur. |
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Cuius rei figuram subter depinximus. |
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