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2 ideas
10931 | We can't say 'necessarily if x is in water then x dissolves' if we can't quantify modally [Quine] |
Full Idea: To say an object is soluble in water is to say that it would dissolve if it were in water,..which implies that 'necessarily if x is in water then x dissolves'. Yet we do not know if there is a suitable sense of 'necessarily' into which we can so quantify. | |
From: Willard Quine (Reference and Modality [1953], §4) | |
A reaction: This is why there has been a huge revival of scientific essentialism - because Krike seems to offer exacty the account which Quine said was missing. So can you have modal logic without rigid designation? |
4398 | An event causes another just if the second event would not have happened without the first [Lewis, by Psillos] |
Full Idea: Lewis gives an account of causation in terms of counterfactual conditionals (roughly, an event c causes an event e iff if c had not happened then e would not have happened either). | |
From: report of David Lewis (works [1973]) by Stathis Psillos - Causation and Explanation Intro | |
A reaction: This feels wrong to me. It is a version of Humean constant conjunction, but counterfactuals are too much a feature of our minds, and not sufficiently a feature of the world, to do this job. Tricky. |