Frege — One object, different modes of presentation
The question that opens it
Does pointing to the same Venus make the meaning and information of the two expressions the same?
- 1
“Ueber Sinn und Bedeutung” appeared in 1892 in volume 100 of Zeitschrift für Philosophie und philosophische Kritik, pages 25–50.
Check the evidence
This is an evidence-linked editorial account, not a direct quotation.
Ueber Sinn und Bedeutung
Gottlob Frege · 1892 · Zeitschrift für Philosophie und philosophische Kritik 100, pages 25–50; Max Planck public record and PDF
Locator: Article metadata, pages 25–50
Open source
- 2
Frege raises the puzzle that true statements of the forms a=a and a=b may concern the same identity while differing in cognitive significance.
Check the evidence
This is an evidence-linked editorial account, not a direct quotation.
Ueber Sinn und Bedeutung
Gottlob Frege · 1892 · Zeitschrift für Philosophie und philosophische Kritik 100, pages 25–50; Max Planck public record and PDF
Locator: Pages 25–26
Open sourceGottlob Frege
Stanford Encyclopedia of Philosophy
Locator: Section 3.1.1
Open source
- 3
The Morning Star and the Evening Star refer to the same Venus but present it differently, so discovering their identity can be informative.
Check the evidence
This is an evidence-linked editorial account, not a direct quotation.
Ueber Sinn und Bedeutung
Gottlob Frege · 1892 · Zeitschrift für Philosophie und philosophische Kritik 100, pages 25–50; Max Planck public record and PDF
Locator: Pages 26–27
Open sourceGottlob Frege
Stanford Encyclopedia of Philosophy
Locator: Sections 3.1.1 and 3.2
Open source
- 4
Frege proposes that names and descriptions have sense as well as denotation, and that sense helps explain cognitive significance.
Check the evidence
This is an evidence-linked editorial account, not a direct quotation.
Ueber Sinn und Bedeutung
Gottlob Frege · 1892 · Zeitschrift für Philosophie und philosophische Kritik 100, pages 25–50; Max Planck public record and PDF
Locator: Pages 27–31
Open sourceGottlob Frege
Stanford Encyclopedia of Philosophy
Locator: Section 3.2
Open source
- 5
On Frege’s distinction, an expression can have a sense while lacking an ordinary denotation.
Check the evidence
This is an evidence-linked editorial account, not a direct quotation.
Ueber Sinn und Bedeutung
Gottlob Frege · 1892 · Zeitschrift für Philosophie und philosophische Kritik 100, pages 25–50; Max Planck public record and PDF
Locator: Pages 29–31
Open sourceGottlob Frege
Stanford Encyclopedia of Philosophy
Locator: Section 3.2
Open source
- 6
Frege worked at Jena during this period, but the current sources do not establish the exact place where he composed this essay.
Check the evidence
This is an evidence-linked editorial account, not a direct quotation.
Gottlob Frege
Stanford Encyclopedia of Philosophy
Locator: Life and academic career at Jena
Open sourceGeschichte des Instituts für Philosophie
Friedrich Schiller University Jena · Institutional history of philosophy at Jena
Locator: Institutional history: Frege’s work at Jena
Open source