In
theoretical linguistics, 'underspecification' is a phenomenon where certain
features are omitted in
underlying representations. Restricted underspecification theory holds that features should only be underspecified if their values are predictable. For example, in
English, all
front vowels () are
unrounded. It is not necessary for these
phonemes to include the
distinctive feature [−round], because this feature can be predicted from the presence of the feature [−back]. Radical Underspecification theory, on the other hand, also allows for traditionally binary features to be specified for only one value, where it is assumed that every segment not specified for that value has the other value. For example, instead of the features [+voice] and [−voice], only [+voice] is specified and voicelessness is taken as the default.
Bibliography
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See also
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''utool: The Swiss Army Knife of Underspecification'', which performs various tasks related to scope underspecification (developed within the CHORUS project at
''Saarland University'' by
''Alexander Koller'',
''Stefan Thater'', and
''Michaela Regneri'').