Function and Concept
{"WorkMasterId":5905,"WpPageId":275813,"ParentWpPageId":193828,"Slug":"function-and-concept","Url":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gottlob-frege/function-and-concept/","RelativeUrl":"theos/humanities/philosophy/philosophers/gottlob-frege/function-and-concept/","HasFullText":false,"RawHtmlLength":68248,"CleanHtmlLength":14994,"Kicker":"Philosophy Work","Title":"Function and Concept","Deck":"Frege analyzes functions, concepts, objects, and truth values, explaining how logical predicates behave as unsaturated functions rather than subject terms.","BackLink":{"Text":"Back to Gottlob Frege","Url":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gottlob-frege/"},"AuthorCard":{"Label":"Author","Title":"Gottlob Frege","Url":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gottlob-frege/","MediaHref":"","ImageSrc":"https://chrisdeasy.com/wp-content/uploads/gottlob-frege-01-frege-c-1879.jpg","ImageAlt":"Gottlob Frege, c. 1879","FilterTerra":"Western Europe","ClickText":"Gottlob Frege","ClickHref":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gottlob-frege/","Copies":["1848 CE – 1925 CE","Wismar","German logician, mathematician, and philosopher whose concept-script, modern quantificational logic, logicism, sense-reference distinction, concept-object analysis, and anti-psychologism helped launch analytic philosophy and reshape logic, language, mathematics, and truth."]},"ContextCards":[{"Label":"Period","Key":"Period:4","Title":"Modern History","DateText":"1800 CE – 1944 CE","Url":"https://chrisdeasy.com/theos/humanities/philosophy/eras-of-thought/philosophers-of-modern-history/"},{"Label":"Era","Key":"Era:11","Title":"Long 19th Century","DateText":"1870 CE – 1913 CE","Url":"https://chrisdeasy.com/theos/humanities/philosophy/eras-of-thought/philosophers-of-modern-history/philosophers-of-the-long-19th-century/"},{"Label":"Composition","Title":"1891 CE","Url":"","DateText":""}],"DateNote":"Displayed year follows the 1891 lecture and publication evidence from SEP, Britannica context, and standard bibliographies.","GeoCards":[{"Label":"Region","Key":"Region:1"},{"Label":"Terra Avita","Key":"TerraAvita:1"},{"Label":"Terra Avita Region","Key":"TerraAvitaRegion:3"},{"Label":"Modern Country","Key":"Country:DEU:1"}],"OriginalTitle":"Funktion und Begriff","Language":"German","DisciplineCards":[{"Label":"Primary Discipline","Key":"Discipline:logic"},{"Label":"Secondary Discipline","Key":"Discipline:metaphysics"}],"Tradition":"Modern logic / analytic philosophy / philosophy of mathematics","FullText":null,"CoreThesis":["Frege analyzes functions, concepts, objects, and truth values, explaining how logical predicates behave as unsaturated functions rather than subject terms."],"Classification":{"AlternateTitles":"Function and Concept","KeyConcepts":"function; concept; object; truth value; unsaturatedness; argument; extension; predicate; first-level concept; second-level concept; logic","Methodology":"Lecture-based conceptual analysis, logical grammar, mathematical analogy, and ontological distinction between functions and objects.","Structure":"A published lecture/article from 1891, represented as a direct work page and linked to Frege\u0027s concept-object program."},"Arguments":["Frege analyzes functions, concepts, objects, and truth values, explaining how logical predicates behave as unsaturated functions rather than subject terms."],"Influence":{"InfluencedBy":"Leibniz, Kant, Bernard Bolzano, Hermann Lotze, Ernst Abbe, German mathematical training, nineteenth-century logic, arithmetic foundations, and anti-psychologism.","InfluenceOn":""},"Significance":["Accepted as a direct Frege paper central to his mature analysis of functions, concepts, and truth values.","Important for formal semantics, type theory, predicate logic, logical grammar, and the metaphysics of functions and objects."],"EvidenceNote":["Approved direct work. 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