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| 8632 | You can't transfer external properties unchanged to apply to ideas [Frege] |
| Full Idea: It would be remarkable if a property abstracted from external things could be transferred without any change of sense to events, to ideas and to concepts, like speaking of 'blue ideas' or 'salty concepts'. | |
| From: Gottlob Frege (Grundlagen der Arithmetik (Foundations) [1884], §24) | |
| A reaction: Since those phrases make perfectly good metaphorical sense, I presume the Frege was a fairly literal sort of chap. Is this the earliest emergence of the idea of a category mistake? |