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15130 | If a property is possible, there is something which can have it |
Full Idea: Barcan's axiom says if there can be something that has a certain property, then there is something that can have that property. It and its converse are not obviously correct or incorrect. They claim that it is non-contingent what individuals there are. | |||
From: Timothy Williamson (Laudatio: Prof Ruth Barcan Marcus [2011], p.1) | |||
A reaction: Williamson defends the two Barcan formulas, but the more I understand them the less plausible they sound to me. |