Editing Gottlob Frege (section)

== Important works ==

=== Logic, foundation of arithmetic ===
''[[Begriffsschrift|Begriffsschrift: eine der arithmetischen nachgebildete Formelsprache des reinen Denkens]]'' (1879), Halle an der Saale: Verlag von Louis Nebert ([http://gallica.bnf.fr/ark:/12148/bpt6k65658c online version]).
* In English: ''Begriffsschrift, a Formula Language, Modeled Upon That of Arithmetic, for Pure Thought'', in: [[Jean van Heijenoort|J. van Heijenoort]] (ed.), ''From Frege to Gödel: A Source Book in Mathematical Logic, 1879–1931'', Harvard, MA: Harvard University Press, 1967, pp.&nbsp;5–82.
* In English (selected sections revised in modern formal notation): R. L. Mendelsohn, ''The Philosophy of Gottlob Frege'', Cambridge: Cambridge University Press, 2005: "Appendix A. Begriffsschrift in Modern Notation: (1) to (51)" and "Appendix B. Begriffsschrift in Modern Notation: (52) to (68)."{{efn|Only the proofs of Part II of the ''Begriffsschrift'' are rewritten in modern notation in this work. Partial rewriting of the proofs of Part III is included in [[George Boolos|Boolos, George]], "Reading the ''Begriffsschrift''," ''[[Mind (journal)|Mind]]'' '''94'''(375): 331–344 (1985).}}
''[[The Foundations of Arithmetic|Die Grundlagen der Arithmetik: Eine logisch-mathematische Untersuchung über den Begriff der Zahl]]'' (1884), Breslau: Verlag von Wilhelm Koebner ([https://archive.org/download/diegrundlagende00freggoog/diegrundlagende00freggoog.pdf online version]).
* In English: ''[[The Foundations of Arithmetic]]: A Logico-Mathematical Enquiry into the Concept of Number'', translated by [[J. L. Austin]], Oxford: Basil Blackwell, 1950.
''Grundgesetze der Arithmetik'', Band I (1893); Band II (1903), Jena: Verlag Hermann Pohle ([https://archive.org/details/bub_gb_LZ5tAAAAMAAJ online version)].
* In English (translation of selected sections), "Translation of Part of Frege's ''Grundgesetze der Arithmetik''," translated and edited [[Peter Geach]] and [[Max Black]] in ''Translations from the Philosophical Writings of Gottlob Frege'', New York, NY: Philosophical Library, 1952, pp.&nbsp;137–158.
* In German (revised in modern formal notation): ''Grundgesetze der Arithmetik'', Korpora (portal of the [[University of Duisburg-Essen]]), 2006: [https://korpora.zim.uni-duisburg-essen.de/Frege/PDF/gga1_o_corr.pdf Band I] {{Webarchive|url=https://web.archive.org/web/20161021050624/https://korpora.zim.uni-duisburg-essen.de/Frege/PDF/gga1_o_corr.pdf |date=21 October 2016 }} and [https://korpora.zim.uni-duisburg-essen.de/Frege/PDF/gga2_o_corr.pdf Band II] {{Webarchive|url=https://web.archive.org/web/20170829012831/https://korpora.zim.uni-duisburg-essen.de/Frege/PDF/gga2_o_corr.pdf |date=29 August 2017 }}.
* In German (revised in modern formal notation): ''Grundgesetze der Arithmetik – Begriffsschriftlich abgeleitet. Band I und II: In moderne Formelnotation transkribiert und mit einem ausführlichen Sachregister versehen'', edited by T. Müller, B. Schröder, and R. Stuhlmann-Laeisz, Paderborn: mentis, 2009.
* In English: ''Basic Laws of Arithmetic'', translated and edited with an introduction by Philip A. Ebert and Marcus Rossberg. Oxford: Oxford University Press, 2013. {{ISBN|978-0-19-928174-9}}.

=== Philosophical studies ===
"[[Function and Concept]]" (1891)
* Original: "Funktion und Begriff", an [[Lecture|address]] to the Jenaische Gesellschaft für Medizin und Naturwissenschaft, Jena, 9 January 1891.
* In English: "Function and Concept".
"[[On Sense and Reference]]" (1892)
* Original: "Über Sinn und Bedeutung", in ''[[Zeitschrift für Philosophie und philosophische Kritik]] C'' (1892): 25–50.
* In English: "On Sense and Reference", alternatively translated (in later edition) as "On Sense and Meaning".
"[[Concept and Object]]" (1892)
* Original: "Ueber<!--[sic; see 'Talk:Gottlob Frege#Ueber']--> Begriff und Gegenstand", in ''Vierteljahresschrift für wissenschaftliche Philosophie XVI'' (1892): 192–205.
* In English: "Concept and Object".
"What is a Function?" (1904)
* Original: "Was ist eine Funktion?", in ''Festschrift Ludwig Boltzmann gewidmet zum sechzigsten Geburtstage, 20 February 1904'', S. Meyer (ed.), Leipzig, 1904, pp.&nbsp;656–666.<ref>{{Cite book | url=https://archive.org/details/festschriftludw00meyegoog | title=Festschrift Ludwig Boltzmann gewidmet zum sechzigsten geburtstage 20. Februar 1904. Mit einem portrait, 101 abbildungen im text und 2 tafeln| publisher=Leipzig, J.A. Barth| year=1904}}</ref>
* In English: "What is a Function?".

''Logical Investigations'' (1918–1923). Frege intended that the following three papers be published together in a book titled ''Logische Untersuchungen'' (''Logical Investigations''). Though the German book never appeared, the papers were published together in ''Logische Untersuchungen'', ed. G. Patzig, Vandenhoeck & Ruprecht, 1966, and English translations appeared together in ''Logical Investigations'', ed. Peter Geach, Blackwell, 1975.
* 1918–19. "Der Gedanke: Eine logische Untersuchung" ("The Thought: A Logical Inquiry"), in ''Beiträge zur Philosophie des Deutschen Idealismus I'':{{efn|The journal ''Beiträge zur Philosophie des Deutschen Idealismus'' was the organ of {{Interlanguage link multi|Deutsche Philosophische Gesellschaft|de}}.}} 58–77.
* 1918–19. "Die Verneinung" ("Negation") in ''Beiträge zur Philosophie des Deutschen Idealismus I'': 143–157.
* 1923. "Gedankengefüge" ("Compound Thought"), in ''Beiträge zur Philosophie des Deutschen Idealismus III'': 36–51.

=== Articles on geometry ===
* 1903: "Über die Grundlagen der Geometrie". II. ''Jahresbericht der deutschen Mathematiker-Vereinigung XII'' (1903), 368–375.
** In English: "On the Foundations of Geometry".
* 1967: ''Kleine Schriften''. (I. Angelelli, ed.). Darmstadt: Wissenschaftliche Buchgesellschaft, 1967 and Hildesheim, G. Olms, 1967. "Small Writings," a collection of most of his writings (e.g., the previous), [[posthumous work|posthumously]] published.