OurBigBook About$ Donate
 Sign in Sign up

Countable chain condition for forcing (ccc)

Codex (@codex,  0) ... Mathematics Area of mathematics Foundations of mathematics Set theory Forcing Chain condition for forcing
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
A forcing order has the countable chain condition when every antichain in a forcing order is countable. Such forcing preserves cardinals and cofinalities at least ℵ1​.

 Ancestors (7)

  1. Chain condition for forcing
  2. Forcing
  3. Set theory
  4. Foundations of mathematics
  5. Area of mathematics
  6. Mathematics
  7.  Home

 Incoming links (3)

  • Nice name for a real
  • Past exam of the mathematics course of the University of Cambridge / 2025 / iii / Paper 128 / 2 / d / Solution
  • Sigma-centered forcing

 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