| lr,4-1-P83-1004,ak | Metagrammatical formalisms </term> that combine <term> | context-free phrase structure rules and metarules ( MPS grammars ) | </term> allow concise statement of <term> | #14718 Metagrammatical formalisms that combine context-free phrase structure rules and metarules ( MPS grammars ) allow concise statement of generalizations about the syntax of natural languages. |
