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Ch. 6 - Choosing Our Universe
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Author:  Chris OConnor [ Sat Oct 09, 2010 11:41 pm ]
Post subject:  Ch. 6 - Choosing Our Universe

Ch. 6 - Choosing Our Universe

Please use this thread for discussing Ch. 6 - Choosing Our Universe.

Author:  Dexter [ Sat Nov 13, 2010 9:55 am ]
Post subject:  Re: Ch. 6 - Choosing Our Universe

On p. 136, he writes: "In fact, many universes exist with many different sets of physical laws. Some people make a great mystery of this idea, sometimes called the multiverse concept, but these are just different expressions of the Feynman sum over histories."

Oh, is that all? Well does it really imply multiple universes, or is it just a mathematical expression?

Author:  WONK [ Fri Nov 19, 2010 8:47 pm ]
Post subject:  Re: Ch. 6 - Choosing Our Universe

Dexter wrote:
Oh, is that all? Well does it really imply multiple universes, or is it just a mathematical expression?


The answer is neither and both. It is a mathematical expression that can be shown in our universe to be true and it answers other questions about our universe that can't be answered in any meaningful way with our current understanding. So it is a mathematical expression. But since it produces valid answers to quesions in our universe that we can't answer any other way it also does imply that there has to be multiple universes. But when you read this statement you will read conditionals with implies that this all might be false... so you get this neither and both because we are now talking in English and not mathematics. Mathematics is a language that can be used to describe the universe or multi-universe. It does a much better job than English in this description. People tend to think in absolutes. But once we get beyond the basics in mathematics absolutes goes out the window. The funny thing is when you don't use absolutes you get a more accurate description of the universe. Logic when going beyond the basics becomes not black and white by shades of grey and the most accurate shading of grey produces a multi-universe.

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