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NOTE: Taken from another thread on a similar subject: https://www.physicsforums.com/showthread.php?t=125698

If matter is assumed to be inside of a greater space that is infinite – then matter is necessarily less than infinite.

I would hope his point, is simply about the uniformity of distribution at the infinitesimal. This is quite possible.

Otherwise, it's just a short-sighted rehash of a relative ad infinitum.

One way of looking at an open and closed model is this:

A closed model has an edge – because matter is outside of space.

An open model has no edge – because space is outside of matter.

Another way of looking at them is this:

A closed model – has both matter and space as finite.

An open model – ha both matter and space as infinite.

A closed model – has a big bang and crunch.

An open model – has no big bang and crunch.

Finite – has a beginning and end.

Infinite – has no beginning or end.

Finite – means the universe began, is, and will stop "actually" happening.

Infinte – means the universe is always in the state of potential of "will happen".

Either way, however – we can't tell unless we know what is outside the universe. Any description of the universe as "all" – begs the same question. What is outside of it? Space and matter are only capable of being a relative ad infinitum. Without an absolute there is no answer.

Is the Absolute inside or outside the universe? It can't be both.

"An infinite amount of space with matter uniformly distributed throughout", is not a claim of infinite matter – at least it shouldn't be.loseyourname said:Well, the main questions were two:

1) Is there an infinite amount of matter in the universe?

2) Did Tegmark actually make that claim?

If matter is assumed to be inside of a greater space that is infinite – then matter is necessarily less than infinite.

I would hope his point, is simply about the uniformity of distribution at the infinitesimal. This is quite possible.

Otherwise, it's just a short-sighted rehash of a relative ad infinitum.

One way of looking at an open and closed model is this:

A closed model has an edge – because matter is outside of space.

An open model has no edge – because space is outside of matter.

Another way of looking at them is this:

A closed model – has both matter and space as finite.

An open model – ha both matter and space as infinite.

A closed model – has a big bang and crunch.

An open model – has no big bang and crunch.

Finite – has a beginning and end.

Infinite – has no beginning or end.

Finite – means the universe began, is, and will stop "actually" happening.

Infinte – means the universe is always in the state of potential of "will happen".

Either way, however – we can't tell unless we know what is outside the universe. Any description of the universe as "all" – begs the same question. What is outside of it? Space and matter are only capable of being a relative ad infinitum. Without an absolute there is no answer.

Is the Absolute inside or outside the universe? It can't be both.

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