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15438 | We can add a primitive natural/unnatural distinction to class nominalism [Lewis] |
Full Idea: To class nominalism we can add a primitive distinction between natural and unnatural classes. | |
From: David Lewis (Against Structural Universals [1986], 'Why believe') | |
A reaction: Lewis explores this elsewhere, but this looks like a very complex concept to play the role of a 'primitive'. Human conventions seem to be parts of nature. |