ThmDex – An index of mathematical definitions, results, and conjectures.
Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Subset
Power set
Hyperpower set sequence
Hyperpower set
Hypersubset
Subset algebra
Boolean algebra
Sigma-algebra
Set of sigma-algebras
Generated sigma-algebra
Borel sigma-algebra
Borel set
Standard real function Borel set
Definition D5112
Standard Euclidean real Borel set