Applying the negation of the axiom of choice
Quantum mechanics
household names
About urelements and astronomical black holes
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About urelements and astronomical black holes
In "About space and time in quantum mechanics" of ASL Winter Meeting 2007 2008, it is not clear at what time will happen the Big Crunch. It is, since the Big Bang, at time p, p being the Dedekind cardinal cardinality of U set of urelements.
ZFU, set theory with urelements can be applied to space and time which are U1xU2.
Let us assume that there are no urelements where matter is, in the astronomical black holes. It means that space and time are not well defined there. It enables us to avoid an infinite density and paradoxes for time.
The assumption is of some importance as black holes may be the missing mass to explain gravitational forces in a galaxy. Mr Andreas Blass commented that if the missing mass is known to be rather far from the centers of the galaxies, may be there are black holes there, more difficult to detect.
Adib Ben Jebara.
In "About space and time in quantum mechanics" of ASL Winter Meeting 2007 2008, it is not clear at what time will happen the Big Crunch. It is, since the Big Bang, at time p, p being the Dedekind cardinal cardinality of U set of urelements.
ZFU, set theory with urelements can be applied to space and time which are U1xU2.
Let us assume that there are no urelements where matter is, in the astronomical black holes. It means that space and time are not well defined there. It enables us to avoid an infinite density and paradoxes for time.
The assumption is of some importance as black holes may be the missing mass to explain gravitational forces in a galaxy. Mr Andreas Blass commented that if the missing mass is known to be rather far from the centers of the galaxies, may be there are black holes there, more difficult to detect.
Adib Ben Jebara.
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