Re: Devil's Advocate against

From: Devin Harris <>
Date: Sun, 11 Jul 1999 13:36:22 -0700

Bruno Marchal wrote:

> My answer was that I don't see how Tegmark can make this challenge
> effective because the collection of mathematical structures is
> not definable in mathematical terms.

The point could be that there is no collection of mathematical
structures that are not definable in mathematical terms. All
mathematical structures necessarily have in common an existence.
Existence is fundamental. There is no middle ground or alternative.
Systems don't partially exist because there is no other state. There
isn't even a choice between existing or not existing. Non-existence by
definition cannot be. There is no such thing; no meaning to the
anomalous idea that something doesn't exist. There is no such
alternative. There is only being. That existence becomes what we think
of as a mathematical system and all mathematical structures are subsets
of the one elementary math. Consequently it is wrong to imagine two
mathematical structures that have no relationship to one another or
somehow form realities that are ultimately incompatible and
irreconcilable. This is to say, there is, always has been, and always
will be, a universe. And there is no place the universe is not.
Received on Sun Jul 11 1999 - 13:38:46 PDT

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