LP-rule

LP-rules restrict the set of local trees admitted by an ID-rule. An LD-rule X <math>\prec</math> Y states that category X has to precede category Y. It licenses all local trees containing a daughter labelled X and a daughter labelled Y, with X preceding Y.

Examples

The LP-rue V <math>\prec</math> NP' states that the object has to follow the verb.

See also

• Generalized Phrase Structure Grammar
• ID/LP rules
• ID-rule

Comment

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

Other Languages

• German LP-Regel

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