Difference between revisions of "LP-rule"

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(New page: An LD-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 licens...)
 
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An LD-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 tree|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.
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An LD-rule ''X'' <math>\prec</math> ''Y'' states that category ''X'' has to precede category ''Y''. Formally, it is a well-formedness condition for [[local tree|local trees]]: It licenses all local trees containing a daughter labelled ''X'' and a daughter labelled  ''Y_1'', so that ''X'' precedes ''Y''.
  
 
===See also===
 
===See also===
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===Comment===
 
===Comment===
 
LD-rules were first introduced in [[Generalized Phrase Structure Grammar]].
 
LD-rules were first introduced in [[Generalized Phrase Structure Grammar]].
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Formally, the righthand side of an ID-rule can be considered as a [[multi-set|multi sets]].
 
  
 
===Other Languages===
 
===Other Languages===

Revision as of 11:38, 24 September 2007

An LD-rule X <math>\prec</math> Y states that category X has to precede category Y. Formally, it is a well-formedness condition for local trees: It licenses all local trees containing a daughter labelled X and a daughter labelled Y_1, so that X precedes Y.

See also

Comment

LD-rules were first introduced in Generalized Phrase Structure Grammar.

Other Languages

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