Just a few days ago it occurred to me that reductionism is the inevitable result of strictly local causality -- or putting it differently, any universe with a speed-limit in causality (in our universe this seems to be c) must by necessity be a reductionist universe.
The conclusion seems obvious but the connection between the two had never before occurred to me.
How so? In a local nonreductionist universe, wouldn't a fundamentally complicated thing just have to have zero width?
If it's worth saying, but not worth its own post, even in Discussion, it goes here.