Logic, Measure and Universe (memorandum)
NOTICE
- DO NOT TRUST THE FOLLOWING
- I do not intend to make any "alternative" or "abuse" of well-established results in related areas
Speculations
- Logic and probability was united in Boole's time
- Jevons' intertemporal consumption optimization model naturally used probabilistic measure as utility
- Semantics of classical logic is measure theory
- Models corresponding theories form topological groups
- Banach-Tarski theorem on paradoxical decomposition must have metamathematical correspondent in forcing theory. Free group F_2 (i.e. propositions) plays crucial role in both arenas
- Measure (or truth value) may vary, difference of measure could be zero or some
- Independent statements, like existence of certain kind of real numbers, reside as "edge" of certain ergodic ensemble of orbits. Reflecting its dissipative nature, truth value for it may vary
- Central orbits, which should have relations to "center" factors in operator ring theory, is computable, or integrable
- Everyone knows (or should know) that anyone who rigorously relies on well-specified model is just searching under the street light
- Complete probability measure is such street light
- We always are able to build another street light
- Why our universe ever grow? (in both QFT and logical sense)
Remarks (added)
- Banach-Tarski and slightly similar theorem in 2-dimension was considered by John von Neumann. He also wrote a descriptive set theory paper with Kuratowski, I think that's not unrelated
- Topology of operator space, or lattice, reflect its computational hierarchy
- There are some studies on descriptive set theory in relation with ergodic theory
- A talk by Clive Newstead on a recent result by Andreas Blass: "Models of set theory from topological groups" (pdf) (video)
TODO
- learn everything to state all above correctly
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