Boethius, De institutione arithmetica libri duo · De institutione musica libri quinque, ed. Gottfried Friedlein (Leipzig: Teubner, 1867) — read from page images, with the critical apparatus separated from the text
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INST. MUS. IIII, 15. 941 ordo contexitur. Quorum omnium intellegentiam subiecta descriptio faciel esse notiorem. | / A ,————| Hypate hypaton* B |————-| Parhypate hypaton € |—— ———4, ' Hypaton lichanos : D |— ———| Hypate meson : E |—— ——,| Parhypate meson F |—— —— | Lichanos meson | G |———| Mese | H ——————, Paramese 10 I —————4 Trite diezeugmenon b K |————., Paranete diezeugmenon L |—————, Nete diezeugmenon : | M (,—————, Trite hyperboleon N L3 Paranete hyperboleon | zi O '————, Nete hyperboleon. De modorum ecxordüs, in quo dispositio notarum per sin- — - gulus modos ac voces. XV. Ex diapason igitur consonantiaespeciebus existunt, qui appellantur modi, quos eosdem tropos vel tonos nomi- ?o nant. Sunt autem tropi constitutiones in totis vocum or- dinibus vel gravitate vel acumine differentes. Constitutio . vero est plenum veluti modulationis corpus ex consonan- tiarum coniunctione consistens quale est vel diapason vel diapason et diatessaron vel bis diapason. Est enim dia- 25
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