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Jacob's avatar

I think this account of omnipotence - x is omnipotent IFF x can bring about any possible state of affairs (fully explicated) - fails.

Plantinga asks us to imagine a being known as McEar, part of whose essence it is that his only ability is to scratch his ear - “McEar can only scratch his ear” is a necessary truth. Under this definition of omnipotence, McEar is omnipotent. Why? Because “McEar creates a rock” is not a metaphysically possible state of affairs. McEar can bring about any fully explicated possible state of affairs because there is no possible state of affairs in which McEar does anything but scratch his ear.

The McEar example gets into some controversial issues, such as whether a being like McEar is even metaphysically or epistemically possible, and if counter-possibles are coherent or useful, so here’s a different example:

Suppose there is an abstract object, like a number or a proposition,

which is essentially unable to bring about any state of affairs because it is causally impotent (by the definition of an abstract object). There is no possible state of affairs “an abstract object does x”, so there is no possible state of affairs that an abstract object cannot bring about.

But that’s because abstract objects literally can’t do ANYTHING - if a definition of omnipotence classifies something that can’t do a single thing as omnipotent, it’s wrong.

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Matt's avatar

Why do we care if some myths and fables from some desert tribes a long time ago are logically consistent? 😉

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