ordered set X is said to satisfy the countable chain condition, or to be ccc, if every strong antichain in X is countable. There are really two conditions:...
3 KB (456 words) - 22:46, 20 March 2025
mutually disjoint non-empty open intervals in R is countable (this is the countable chain condition for the order topology of R), is R necessarily order-isomorphic...
6 KB (781 words) - 23:04, 4 December 2024
Total order (redirect from Infinite descending chain)
nonempty unbounded complete dense total order satisfying the countable chain condition is isomorphic to the realsPages displaying wikidata descriptions...
22 KB (3,150 words) - 15:51, 11 May 2025
{P} } satisfies the countable chain condition (c.c.c.) if and only if every antichain in P {\displaystyle \mathbb {P} } is countable. (The name, which is...
52 KB (9,294 words) - 07:15, 16 December 2024
line also satisfies the countable chain condition: every collection of mutually disjoint, nonempty open intervals in R is countable. In order theory, the...
20 KB (2,549 words) - 17:44, 4 April 2025
size of a countable set, typically the cardinality of the set of natural numbers. countable chain condition The countable chain condition (ccc) for a...
91 KB (11,628 words) - 12:22, 21 March 2025
Boolean algebra that is complete, atomless, countably distributive, and satisfies the countable chain condition. They are named after Mikhail Yakovlevich...
1 KB (89 words) - 10:47, 28 November 2024
significant strengthening of Martin's axiom, where forcings with the countable chain condition (ccc) are replaced by proper forcings. A forcing or partially...
6 KB (895 words) - 11:23, 8 April 2024
{\displaystyle (\aleph _{0})} , a countable form of Martin's axiom: in a preorder with the countable chain condition, every countable family of dense subsets has...
10 KB (1,259 words) - 14:17, 15 March 2025
affairs now." A countably infinite sequence, in which the chain moves state at discrete time steps, gives a discrete-time Markov chain (DTMC). A continuous-time...
96 KB (12,900 words) - 21:01, 27 April 2025
Glossary of general topology (redirect from Locally countable space)
Countable chain condition A space X satisfies the countable chain condition if every family of non-empty, pairswise disjoint open sets is countable....
55 KB (7,693 words) - 07:57, 22 February 2025
Boolean algebra that is complete, atomless, countably distributive, and satisfies the countable chain condition. 2. A Suslin cardinal is a cardinal λ such...
6 KB (674 words) - 06:01, 5 November 2024
category, a concept in category theory CCC, Roman numeral for 300 Countable chain condition, in order theory CCCn, cube-connected cycles of order n in graph...
7 KB (775 words) - 20:28, 23 February 2025
of c.c.c. forcings (see countable chain condition) are c.c.c. and thus preserve ω 1 {\displaystyle \omega _{1}} . Countable support iterations of proper...
3 KB (424 words) - 02:26, 20 March 2023
following statement: MA(κ) For any partial order P satisfying the countable chain condition (hereafter ccc) and any set D = {Di}i∈I of dense subsets of P...
6 KB (806 words) - 17:15, 23 September 2024
Polish group G, the σ-algebra of Haar null sets satisfies the countable chain condition if and only if G is locally compact. For any locally compact abelian...
8 KB (1,005 words) - 16:51, 25 May 2024
all sets M is a countable transitive model of set theory G is a generic subset of P over M. P satisfies the countable chain condition if every antichain...
18 KB (2,652 words) - 14:44, 20 April 2025
to the way an amoeba eats food. The amoeba order satisfies the countable chain condition. Kunen, Kenneth (2011), Set theory, Studies in Logic, vol. 34...
1 KB (154 words) - 09:38, 17 October 2024
Knaster's condition downwards. The property is named after Polish mathematician Bronisław Knaster. Knaster's condition implies the countable chain condition (ccc)...
1 KB (157 words) - 02:41, 9 February 2023
of cardinality strictly smaller than 2ℵ0 and the poset has the countable chain condition, we can instead use Martin's axiom. However, Martin's axiom is...
4 KB (424 words) - 11:17, 19 November 2024
X_{n}=x_{n})>0.} The possible values of Xi form a countable set S called the state space of the chain. Markov chains are often described by a sequence of directed...
25 KB (4,252 words) - 18:52, 20 February 2025
statement, denoted by MA(k): For any partial order P satisfying the countable chain condition (hereafter ccc) and any family D of dense sets in P such that...
11 KB (1,588 words) - 21:59, 20 January 2025
In statistics, Markov chain Monte Carlo (MCMC) is a class of algorithms used to draw samples from a probability distribution. Given a probability distribution...
62 KB (8,537 words) - 04:54, 19 May 2025
Probability space (redirect from Countable additivity probability axiom)
requirements: First, the probability of a countable union of mutually exclusive events must be equal to the countable sum of the probabilities of each of these...
24 KB (3,575 words) - 00:56, 12 February 2025
lattice Ascending chain condition Infinite descending chain Countable chain condition, often abbreviated as ccc Knaster's condition, sometimes denoted...
5 KB (396 words) - 23:32, 16 April 2025
While loop Loop invariant Transfinite induction Descending chain condition Large countable ordinal Correctness (computer science) Weakest-preconditions...
10 KB (1,537 words) - 08:05, 24 August 2021
measure spaces by observing that the countable union of countable unions is again a countable union, and that the countable unions of null sets are null. A...
9 KB (1,559 words) - 04:39, 2 February 2025
I}X_{i}} is not empty. The union of any countable family of countable sets is countable (this requires countable choice but not the full axiom of choice)...
59 KB (7,917 words) - 15:47, 15 May 2025
FKG inequality (redirect from Strong FKG condition)
finite or countable (though it must be bounded and totally ordered). In that case, μ has to be a finite measure, and the lattice condition has to be defined...
16 KB (2,501 words) - 21:12, 14 April 2025
discrete-time Markov chains. Let ( Ω , A , Pr ) {\displaystyle (\Omega ,{\cal {A}},\Pr )} be a probability space, let S {\displaystyle S} be a countable nonempty...
23 KB (4,240 words) - 18:35, 6 May 2025