@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:sibaljeom_workbook_algebra_theme27_arithmetic_sum_quadratic a math:TextbookSection ;
    rdfs:label "시발점 워크북 대수 Theme 27 등차수열의 합은 원점을 지나는 이차함수다"@ko ;
    skos:definition "시발점 워크북 대수 Chapter 3. 수열의 Theme 27 기본 문항(STEP 1)."@ko ;
    math:canonicalUnit curriculum_unit:algebra_arithmetic_geometric_sequences ;
    math:coversConcept concept:arithmetic_sequence_sum,
        concept:arithmetic_sum_quadratic_form,
        concept:quadratic_function_extremum ;
    math:coversProblemType problem_type:sequence_sum_formula ;
    math:pageEnd 78 ;
    math:pageStart 77 ;
    math:parentSection textbook_section:sibaljeom_workbook_algebra_ch3_sequences ;
    math:partOfCourse course:algebra ;
    math:sectionLevel section_level:lesson ;
    math:textbook textbook_source:sibaljeom_workbook_algebra .