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18. Thought / D. Concepts / 5. Concepts and Language / a. Concepts and language

[general ideas on the relation of concepts and language]

6 ideas
Without speech we cannot know right/wrong, true/false, good/bad, or pleasant/unpleasant [Anon (Upan)]
Language may aid thinking, but powerful thought was needed to produce language [Rousseau]
What can be said is what can be thought, so language shows the limits of thought [Wittgenstein ,by Grayling]
Concepts are only possible in a language community [Davidson]
Concepts in thought have content, but not meaning, which requires communication [Harman]
The word 'grandmother' may be two concepts, with a prototype and a definition [Machery]