Saturday, May 21, 2011

Against Materialism

Here's an argument against mind-body materialism that I find persuasive:

1. If Materialism is true, all possible minds are physical brains. (Premise)

2. Abstract objects are necessary concepts of a mind. (Premise)

3. There are possible worlds in which there are no physical brains. (Premise)

4. Therefore, Materialism is false. (From 1 - 3)

I take (1) to be one of the standard interpretations of Materialism, but of course, there is some variance among those who call themselves Materialists. (2) entails conceptualism: both the necessary existence of abstract objects and their conceptual nature. One of the inferences to be drawn from (2) is that a necessary mind exists. After all, abstract objects cannot be grounded in just any mind, since there there are possible worlds in which you and I (contingent minds) do not exist, and yet those same abstract objects are still instantiated. Moreover, there are possible worlds in which nothing contingent exists.

Given (3), conceptualism provides us with a strong defeater for Materialism. Obviously each of the argument's premises has to be defended. This is just an outline.

1 comment:

  1. IlĂ­on again --

    "I take (1) to be one of the standard interpretations of Materialism, but of course, there is some variance among those who call themselves Materialists."

    It doesn't *matter* what ad hoc hodge-podge of mis-matched propositions this or that materialist asserts; what matters is what logically follows from the ‘-ism’ itself.

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