Philosophy Stack Exchange
Philosophy Stack Exchange

Questions tagged [frege]

Gottlob Frege (1848-1925) was an important German mathematician, logician and philosopher who is generally considered the father of modern logic and analytic philosophy.

Gottlob Frege (1848-1925) was an important German mathematician, logician and philosopher who is generally considered the father of modern logic and analytic philosophy. Frege has made great contributions to , and .

55 questions
12
votes
2 answers

Was Locke right that analytic knowledge is vacuous?

According to Locke, it is impossible to obtain substantive knowledge from analytic propositions. Statements like "triangle has three sides" are analytic, but one cannot derive the Pythagorean Theorem analytically. However, Frege says that…
Tom
  • 225
  • 1
  • 5
8
votes
3 answers

What's the difference between Aristotle's logic and Frege's logic especially with regard to predicates?

I'm reading a book and the author introduced Aristotelian logic and then he provided an overview of Frege's development of logic, but I don't understand what the difference is between Aristotle's logic and Frege's logic especially with regard to…
Abdelrhman Fawzy
  • 257
  • 4
  • 11
8
votes
3 answers

How does Frege's definition of number solve the Julius Caesar problem?

How does Frege's definition of number solve the Julius Caesar problem? Frege's definition of number in the end of Foundation is such: the number belonging to the concept F is the extension of the concept equal to the concept F such that F and G are…
Frank Booth
  • 596
  • 3
  • 18
6
votes
3 answers

Frege's Argument About the Sense and Reference of a Sentence

Here is the text I am working with: http://brianrabern.net/sensereference.pdf As the title of this thread indicates, I am having trouble understanding Frege's argument that the thought of sentence (i.e.. the proposition expressed by a sentence)…
Eli Bashwinger
  • 633
  • 5
  • 14
6
votes
1 answer

Was there a Kantian influence on Hilbert's formalist programme?

In this paper by Cassou-Nogues which is on an aspect of the mathematical philosophy of Cavailles he quotes the mathematician Hilbert (a colloborator of Einstein in Gottingen) ...We find ourselves in agreement with the philosophers, especially…
Mozibur Ullah
  • 1
  • 14
  • 88
  • 234
5
votes
2 answers

Can Frege coherently admit expressions that have a sense but lack a reference?

I am looking here for any sources that respond to the question given: Can Frege coherently admit expressions that have a sense but lack a reference? I am familiar with a lot of the exegetical work on the Fregean sense/reference distinction, but I am…
Mathmo
  • 316
  • 1
  • 6
4
votes
1 answer

Can Fregean sense of proper names be described in terms of intension?

If I am not wrong, the old Fregean distinction between sense and reference can be read in terms of a distinction between intension and extension: The star of the night and the star of the morning are descriptions that share the same extension in the…
PwNzDust
  • 395
  • 2
  • 8
4
votes
1 answer

Frege: Truth as an expression of assertoric force

I am writing an essay on Frege's redundancy theory of truth. As far as I have read, his theory is that the word 'true' does not add anything to the thought of a sentence in which it appears, however, it does serve as an expression of assertoric…
Anon
  • 107
  • 5
4
votes
2 answers

What is the difference between concepts of number and natural number?

When reading an article about Frege on Stanford Encyclopedia of Philosophy (https://plato.stanford.edu/entries/frege/#AnaStaNum), in section 2.5 I encountered the following sentence: But though this defines a sequence of entities which are numbers,…
bg5
  • 113
  • 3
4
votes
1 answer

Did Frege criticize the style of the Tractatus?

Wittgenstein's Tractatus appears to have a singular style (526 sections numbered and organized in decimal under headings 1 to 7). It's also very concise. And the stylistic side is not envisaged by him as a secondary aspect of his work (as he said,…
franz1
  • 883
  • 4
  • 13
3
votes
1 answer

Who first used the phrase "Deflationary Theory of Truth"?

SEP's history of the deflationary theory of truth does not explain the origins of the term Deflationary, but does point to the first people who "explicitly defended it". The deflationary theory has been one of the most popular approaches to truth…
sloth
  • 141
  • 3
3
votes
1 answer

For Frege, how do we grasp the sense of a sign?

I was wondering...since Frege stablishes a difference between the sense of a sign (the mode of presentation of a reference), it's reference (the actual object in the world) and the representation of it (the interior mental image we make from this…
L. Siqueira
  • 93
  • 3
3
votes
3 answers

Why are imperatives not propositions according to Frege?

I'm reading Frege's "On Sense and Nominatum" and I am confused with: "Imperatives have no nominata; they have only sense. It is true, commands or requests are not propositions, but they are of the same type of propositions. Therefore the words in…
César D. Vázquez
  • 505
  • 2
  • 9
3
votes
0 answers

Kripke's Puzzle Confusion

I'm not convinced that the Fregean rebuttal has been successfully repelled by Kripke in Kripke's puzzle. Don't Londres and London have two different senses in that Pierre associates Londres with being pretty and London with being ugly? I find…
novicecat
  • 39
  • 1
3
votes
1 answer

Frege and Value-Range

I have been reading Kevin C. Klement's article on Gottlob Frege in the Internet Encyclopedia of Philosophy. I am confused by the term "value-range", which is used numerous times throughout the article. Here is what is said about it: "value-ranges"…
user193319
  • 175
  • 6
1
2 3 4