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Questions about abstract measure and Lebesgue integral theory. Also concerns such properties as measurability of maps and sets.

1 vote

Is there a natural measurable structure on the $\sigma$-algebra of a measurable space?

One way to approach this would be to ask the same question inside a suitable topos in which "everything is measurable" and such that each object is naturally equipped with the structure of a $\sigma$- …
Andrej Bauer's user avatar
  • 48.8k
122 votes

Axiom of choice, Banach-Tarski and reality

There are two ingredients in the Banach-Tarski decomposition theorem: The notion of space, together with derived notions of part and decomposition. The axiom of choice. Most discussion about the the …
Andrej Bauer's user avatar
  • 48.8k
28 votes
Accepted

Is there a probability theory developed in intuitionistic logic?

The title of the question is a bit of a misnomer, or at least has the potential to cause confision. "Intutionistic probability theory" means to me "theory of probability developed in intuitionistic lo …
Andrej Bauer's user avatar
  • 48.8k