Re: The Difference between a Set and an Element

george wrote:

JohnCreighton_@xxxxxxxxxxx wrote:
Frederick Williams wrote:
.... What is the physical difference between me and a
set containing me?

The difference is that you exist and the set containing
you does not. This allegation that sets can contain concrete
objects is misleading. Sets are abstract.

May not a set theory with urelemente have a person among its urelemente?

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