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Ideas for 'Demonstratives', 'On Motion' and 'Grundgesetze der Arithmetik 1 (Basic Laws)'

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6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism

18165	My Basic Law V is a law of pure logic [Frege]
	Full Idea: I hold that my Basic Law V is a law of pure logic.
	From: Gottlob Frege (Grundgesetze der Arithmetik 1 (Basic Laws) [1893], p.4), quoted by Penelope Maddy - Naturalism in Mathematics I.1
	A reaction: This is, of course, the notorious law which fell foul of Russell's Paradox. It is said to be pure logic, even though it refers to things that are F and things that are G.