Difference between revisions of "ID-rule"
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===Other Languages=== | ===Other Languages=== | ||
* German [[ID-Regel]] | * German [[ID-Regel]] | ||
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[[Category: Grammatical theory]] | [[Category: Grammatical theory]] | ||
Latest revision as of 20:42, 3 July 2014
An ID-rule X <math>\rightarrow</math> <math>Y_1,</math> <math>Y_2,</math> ..., <math>Y_n </math> is interpreted as a well-formedness condition for local trees: It licenses all local trees with a root X and daughters <math>Y_1,</math> <math>Y_2,</math> ..., <math>Y_n </math>. The order of the daughters dominated by X is considered to be irrelevant.
See also
Comment
ID-rules were first introduced in Generalized Phrase Structure Grammar. Moder unification-based grammar formalisms like Head-Driven Phrase Structure Grammar use a small number of highly general ID schemata instead.
Formally, the righthand side of an ID-rule can be considered as a multi sets.
Other Languages
- German ID-Regel
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