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Full Idea
Frege's 1879 logic transformed philosophy because it greatly expanded logic's reach - what thought can achieve unaided - and hence compelled a re-examination of everything previously said about the grounds of thought when logic gives out.
Gist of Idea
Frege changed philosophy by extending logic's ability to check the grounds of thinking
Source
comment on Gottlob Frege (Begriffsschrift [1879]) by Michael Potter - The Rise of Analytic Philosophy 1879-1930 Intro
Book Ref
Potter,Michael: 'The Rise of Anaytic Philosophy 1879-1930' [Routledge 2020], p.1
A Reaction
I loved the gloss on logic as 'what thought can achieve unaided'. I largely see logic in terms of what is mechanically computable.
| 19231 | Metaphysics is turning into logic, and logic is becoming mathematics [Peirce] |
| 22270 | Frege changed philosophy by extending logic's ability to check the grounds of thinking [Potter on Frege] |
| 15948 | Frege developed formal systems to avoid unnoticed assumptions [Frege, by Lavine] |
| 21573 | When problems are analysed properly, they are either logical, or not philosophical at all [Russell] |
| 6116 | A logical language would show up the fallacy of inferring reality from ordinary language [Russell] |
| 21546 | We can't sharply distinguish variables, domains and values, if symbols frighten us [Russell] |
| 22436 | Logicians don't paraphrase logic into language, because they think in the symbolic language [Quine] |
| 8996 | If if time is money then if time is not money then time is money then if if if time is not money... [Quine] |
| 15802 | I use variables to show that each item remains the same entity throughout [Chisholm] |
| 15210 | Humeans see analysis in terms of formal logic, because necessities are fundamentally logical relations [Harré/Madden] |
| 13515 | To study abstract problems, some knowledge of set theory is essential [Hart,WD] |
| 9766 | Study vagueness first by its logic, then by its truth-conditions, and then its metaphysics [Fine,K] |
| 11051 | Frege's logical approach dominates the analytical tradition [Hanna] |