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10055 | Mathematical proofs work, irrespective of whether the objects exist [Locke] |
Full Idea: All the demonstrations of mathematicians are the same, whether there be any square or circle existing in the world or no. | |
From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 4.04.08) | |
A reaction: Musgrave gives this as an early indication of the if-thenist view of mathematics. |