concept n° : ST037
domaine : musicologie

organisme : TERMISTI
auteur : Gracienne Benoit

Accueil - Homedate : 2005.07.01


définition : One of the abstractions of pc sets [pitch class sets] is that they are unordered, that is, the pcs [pitch classes] may be embodied in any order in the musical segments.

source : TUCKER 2000: 4

notation : the bracketed representation [is] used for unordered sets

source : FORTE 1973: 61

entrée : unordered set

grammaire : compound noun

note : “unordered” vs. “ordered”

contexte : when we speak of an unordered set we simply mean that the order in which the elements occur is not regarded as a significant property; for example, [0,1] is not regarded as distinct from [1,0]

source : FORTE 1973: 26, 46

contexte : A pcset is an unorderd set of pitch classes that contains at most one of each pc.

source : BUCHLER 1998: 2

contexte : Allen Forte’s original list [of the possible unordered sets in the twelve-tone system] contains 208 sets in The Structure of Atonal Music (Yale, 1973), Appendix I.

source : SOLOMON 1997b

entrée : unordered pc set

grammaire : compound noun

note : “unordered pc set” stands for “unordered pitch class set”

contexte : For a number of reasons it is important to distinguish between ordered and unordered pc sets.

source : FORTE 1973: 3

entrée : unordered pc collection

grammaire : compound noun

note : “unordered pc collection” stands for “unordered pitch class collection”

contexte : (speaking of the techniques described in the article) these methods of dealing with unordered pc collections can yield a lot of information with a minimum of effort.

source : MEAD 1984: 66


définition : Un ensemble non-ordonné est un ensemble dans lequel seuls les éléments comptent, pas leur ordre ni leurs éventuelles répétitions.

source : ANDREATTA 2003c : 61

notation : dans le cas d’un ensemble non ordonné, on utilise les accolades

source : ROBERGE 2003 : Terminologie - Notes

entrée : ensemble non ordonné

grammaire : groupe nominal masculin

contexte : l’ensemble [non ordonné] (...) définit (...) une des (...) permuta-tions possibles de ses [éléments], c’est-à-dire l’un des ensembles ordonnés possibles.

source : ANDREATTA 2003c : 156, Note 228

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