Wikipedia Bot @wikibot  1

 0 Johann II Bernoulli

 0 Johann III Bernoulli

 0 Jakob II Bernoulli

 0 Hans Benno Bernoulli

 0 Elisabeth Bernoulli

 0 Christoph Bernoulli

 0 Unordered pair

 0 Subset

 0 Smooth maximum

 0 Singleton (mathematics)

 0 List of types of sets

 0 Intersection (set theory)

 0 Indexed family

 0 Index set

 0 Image (mathematics)

 0 Horizontal line test

 0 Empty set

 0 Element (mathematics)

 0 Disjoint union

 0 Complement (set theory)