On 10/28/2018 4:50 AM, [email protected] wrote:
On Sunday, October 28, 2018 at 10:27:07 AM UTC, Tomas Pales wrote:
On Sunday, October 28, 2018 at 3:37:05 AM UTC+1,
[email protected] wrote:
*So what? The point I am making is that some mathematical
objects exist but are not instantiated in physical reality,
thus falsifying his hypothesis, unless you insist that they
are instantiated in other universes, in which case you have a
non falsifiable theory, which isn't a scientific theory. AG*
If it is logically consistent for a mathematical object to be
instantiated in a universe then it is instantiated there.
*I think you mean that if some mathematical construct does not
contradict the laws of physics in some universe, then it must be
instantiated in that universe. *
That's not what he said. He said all logically consistent objects must
exist. Breaking one of the laws of physics, e.g. not conserving
4-momentum, is not a/*logical contradiction*/ of anything.
Brent
*And the reason for that is what? Why must all logically consistent
constructs be instantiated? This idea seems perilously close to
another false idea; namely, that every outcome of a quantum experiment
must be observed in some universe. AG
*
Whether it is a falsifiable or scientific theory is a different
matter.
*
*
*Since it can't be falsified and makes no testable predictions, what
value does it have? AG*
Tegmark's view, logical consistency is existence, so anything that
is logically consistent exists, by definition. You can devise other
definitions of existence by arbitrarily restricting this one.
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