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@WyseGui
IFF we live in a finite --ergo integral-- occupied space { structural } Uni-V-erse { One-Verse }, then there can exist only one logical conclusion as to what is beyond the finite, occupied space Uni-V-erse.
Simple minimal brainer with broad open mind and seeking rational, logical common sense. Rare find on the internet has been my experience.
Macro-infinite non-occupied space that, is available for the finite, occupied space Universe to expand into or contract from.
All other conclusions are irrational, illogical and lack common sense.
To date, the best response any human can state, is that we dont observe any part of this alledged macro-infinite non-occupied space Universe.
However, that is 2nd to the philosophical question and its conclusion vai rational, logical common sense search for the speculative truth, based on we do observe.
1} all occupied space things have a systemic and structural integrity, even if that integrity is very short lived mesonic particle,
2} finite space as definite 2D area or 3D volume has a definitive meaning that most humans agree too, irrespective of specific size
3} infinite space has not integrity, ergo and no definite area or volume.