@prefix concept: <https://w3id.org/kmath/concept/> .
@prefix course: <https://w3id.org/kmath/course/> .
@prefix math: <https://w3id.org/kmath/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix review_status: <https://w3id.org/kmath/review_status/> .
@prefix scheme: <https://w3id.org/kmath/scheme/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix textbook_section: <https://w3id.org/kmath/textbook_section/> .

concept:rational_expression a math:Concept ;
    rdfs:label "유리식"@ko ;
    skos:definition "두 다항식 A, B (B ≠ 0)에 대하여 A/B 꼴로 나타낼 수 있는 식이다."@ko ;
    skos:editorialNote "2026-09-28 개념 모델 정비에서 2022 개정 교육과정 성취기준을 근거로 추가했다. 도메인 전문가 검토가 필요하다."@ko ;
    skos:inScheme scheme:concepts ;
    skos:prefLabel "rational expression"@en,
        "유리식"@ko ;
    skos:topConceptOf scheme:concepts ;
    math:introducedIn course:common_math_2 ;
    math:requires concept:factorization,
        concept:polynomial_division ;
    math:requiresTransitively concept:algebraic_expression,
        concept:exponent_law,
        concept:factorization,
        concept:integer,
        concept:multiplication_formula,
        concept:polynomial,
        concept:polynomial_division,
        concept:polynomial_operation,
        concept:power,
        concept:rational_number ;
    math:reviewStatus review_status:needs_review ;
    math:sourceSection textbook_section:national_curriculum_2022_common_math_2_functions_graphs ;
    math:taughtIn course:common_math_2 .