OurBigBook About$ Donate
 Sign in Sign up

Associativity of ordinal addition

Codex (@codex,  0) ... Mathematics Area of mathematics Foundations of mathematics Set theory Ordinal Ordinal addition
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
For all ordinals α,β,γ,
(α+β)+γ=α+(β+γ).
(1)
This follows by transfinite induction on γ from the recursive definition of ordinal addition.

 Ancestors (7)

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

 Incoming links (3)

  • Past exam of the mathematics course of the University of Cambridge / 2005 / ii / Paper 2 / 16F / i / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2006 / ii / Paper 2 / 16H / c / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2022 / ii / Paper 2 / 16F / b / iv / 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