Skip to main content
2 of 2
added (boolean-algebras) tag
Martin Sleziak
  • 4.7k
  • 4
  • 35
  • 40

Complete Boolean algebra not isomorphic to a $\sigma$-algebra

Does there exist a complete Boolean algebra that is not isomorphic to any $\sigma$-algebra? If so, what is an easy or canonical example or construction?

Bjørn Kjos-Hanssen
  • 24.8k
  • 3
  • 58
  • 114