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pl:prolog:pllib:dcg_number_agreement [2019/06/27 15:50] (aktualna) |
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| + | ====== Dcg number agreement ====== | ||
| + | {{tag>DCG}} | ||
| + | ===== Description ===== | ||
| + | A DCG with subject/object number agreement | ||
| + | |||
| + | **Source**: The Art of Prolog | ||
| + | ===== Download ===== | ||
| + | Program source code: {{dcg_number_agreement.pl}} | ||
| + | ===== Listing ===== | ||
| + | <code prolog> | ||
| + | sentence(sentence(NP,VP)) --> | ||
| + | noun_phrase(NP,Num), verb_phrase(VP,Num). | ||
| + | |||
| + | noun_phrase(np(D,N),Num) --> | ||
| + | determiner(D,Num), noun_phrase2(N,Num). | ||
| + | noun_phrase(np(N),Num) --> noun_phrase2(N,Num). | ||
| + | |||
| + | noun_phrase2(np2(A,N),Num) --> | ||
| + | adjective(A), noun_phrase2(N,Num). | ||
| + | noun_phrase2(np2(N),Num) --> noun(N,Num). | ||
| + | |||
| + | verb_phrase(vp(V),Num) --> verb(V,Num). | ||
| + | verb_phrase(vp(V,N),Num) --> | ||
| + | verb(V,Num), noun_phrase(N,Num1). | ||
| + | |||
| + | % Vocabulary | ||
| + | |||
| + | determiner(det(the),Num) --> [the]. | ||
| + | determiner(det(a),singular) --> [a]. | ||
| + | |||
| + | noun(noun(pieplate),singular) --> [pieplate]. | ||
| + | noun(noun(pieplates),plural) --> [pieplates]. | ||
| + | noun(noun(surprise),singular) --> [surprise]. | ||
| + | noun(noun(surprises),plural) --> [surprises]. | ||
| + | |||
| + | adjective(adj(decorated)) --> [decorated]. | ||
| + | |||
| + | verb(verb(contains),singular) --> [contains]. | ||
| + | verb(verb(contain),plural) --> [contain]. | ||
| + | |||
| + | % Program 19.8: A DCG with subject/object number agreement | ||
| + | </code> | ||
| + | ===== Comments ===== | ||
