Topic: Set Operations, Limits of Sets and Sigma-Algebras

Monotone Classes of Sets

Monotone-Class Proofs for Borel Generation

Membership Tests for Set Limits

Limsup and Liminf of Sets

Intersections and Generated Sigma-Algebras

Common Errors with Set Limits and Generated Classes

Closure Properties of Lambda-Systems

Choosing Between Pi-Lambda and Monotone-Class Arguments

Borel Sigma-Algebras on the Real Line

Borel Generators in Euclidean Space