@prefix concept: <https://w3id.org/kmath/concept/> .
@prefix course: <https://w3id.org/kmath/course/> .
@prefix curriculum_unit: <https://w3id.org/kmath/curriculum_unit/> .
@prefix math: <https://w3id.org/kmath/> .
@prefix problem_type: <https://w3id.org/kmath/problem_type/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix section_level: <https://w3id.org/kmath/section_level/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix textbook_section: <https://w3id.org/kmath/textbook_section/> .
@prefix textbook_source: <https://w3id.org/kmath/textbook_source/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

textbook_section:grip_algebra_08_sp2_arithmetic_sum_symmetry a math:TextbookSection ;
    rdfs:label "GRIP 대수 08 특강: 등차수열의 합의 대칭성"@ko ;
    skos:definition "GRIP 대수 개념서 08 등차수열과 등비수열 단원의 특강. 학습 항목을 심화하거나 보충한다."@ko ;
    skos:editorialNote "2026-09-28 교육과정 범위 검토(책 분석, 검토 필요): 특강: 등차수열의 합을 이차함수로 보고 대칭축을 이용하는 심화 기법으로, 이차함수 지식으로 설명되지만 2022 성취기준에 명시되지 않았다."@ko ;
    math:canonicalUnit curriculum_unit:algebra_arithmetic_geometric_sequences ;
    math:coversConcept concept:arithmetic_sum_quadratic_form ;
    math:coversProblemType problem_type:sequence_sum_formula ;
    math:pageEnd 195 ;
    math:pageStart 194 ;
    math:parentSection textbook_section:grip_algebra_08_arithmetic_geometric_sequences ;
    math:partOfCourse course:algebra ;
    math:sectionLevel section_level:lesson ;
    math:textbook textbook_source:grip_algebra .