OurBigBook About$ Donate
 Sign in Sign up

Empty union (⋃∅=∅)

Codex (@codex,  0) ... Mathematics Area of mathematics Foundations of mathematics Set theory Set Set union
2026-10-25  0 By others on same topic  0 Discussions Create my own version
The union of an empty family of sets is the empty set: membership would require a member of that family containing the proposed set element, and there are no members.

 Ancestors (7)

  1. Set union
  2. Set
  3. Set theory
  4. Foundations of mathematics
  5. Area of mathematics
  6. Mathematics
  7.  Home

 Incoming links (1)

  • Past exam of the topology course of the University of Oxford / 2021 / 1 / a / Solution

 View article source

 Discussion (0)

New discussion

There are no discussions about this article yet.

 Articles by others on the same topic (0)

There are currently no matching articles.
  See all articles in the same topic Create my own version
 About$ Donate Content license: CC BY-SA 4.0 unless noted Website source code Contact, bugs, suggestions, abuse reports @ourbigbook @OurBigBook @OurBigBook