branch of mathematical logic, an inner model for a theory T is a substructure of a model M of a set theory that is both a model for T and contains all the ordinals...
4 KB (587 words) - 20:56, 23 April 2024
set theory, inner model theory is the study of certain models of ZFC or some fragment or strengthening thereof. Ordinarily these models are transitive...
3 KB (355 words) - 22:56, 2 July 2020
Set theory (section Inner model theory)
continuum hypothesis or the axiom of choice, the inner model L constructed inside the original model will satisfy both the generalized continuum hypothesis...
54 KB (6,586 words) - 11:37, 29 June 2025
set theory, the core model is a definable inner model of the universe of all sets. Even though set theorists refer to "the core model", it is not a uniquely...
8 KB (1,080 words) - 03:09, 26 June 2025
Continuum-Hypothesis". In this paper, he proved that the constructible universe is an inner model of ZF set theory (that is, of Zermelo–Fraenkel set theory with the axiom...
32 KB (6,103 words) - 15:18, 3 May 2025
consistency of V=L is provable by inner models but not forcing: every model of ZF can be trimmed to become a model of ZFC + V=L. The diamond principle...
46 KB (6,252 words) - 13:43, 7 June 2025
follows. Assuming the existence of an inaccessible cardinal, there is an inner model of ZF + DC of a suitable forcing extension V[G] such that every set of...
8 KB (1,124 words) - 10:52, 13 February 2025
In mathematical set theory, Chang's model is the smallest inner model of set theory closed under countable sequences. It was introduced by Chang (1971)...
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Covering lemma (category Inner model theory)
certain large cardinals leads to the existence of a canonical inner model, called the core model, that is, in a sense, maximal and approximates the structure...
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universe L {\displaystyle L} , an inner model of ZF set theory, assuming only the axioms of ZF. The existence of an inner model of ZF in which additional axioms...
32 KB (4,060 words) - 14:27, 16 June 2025
set theory. He has made many notable contributions to the theory of inner models and determinacy. A type of large cardinals, the Woodin cardinals, bears...
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{\displaystyle j} from the universe V {\displaystyle V} into a transitive inner model M {\displaystyle M} with critical point κ {\displaystyle \kappa } , j...
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cardinal properties). Generalizations of this axiom are explored in inner model theory. The axiom of constructibility implies the axiom of choice (AC)...
8 KB (1,064 words) - 19:30, 6 July 2025
domain of M is a proper class, then M is a class model. An inner model is necessarily a class model. Cohen, P. J. (1966). Set theory and the continuum...
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there exists an elementary embedding j : V → M from V into a transitive inner model M with critical point κ and V j ( κ ) {\displaystyle V_{j(\kappa )}}...
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{\displaystyle j:V\to M} from V {\displaystyle V} into a transitive inner model M {\displaystyle M} with critical point κ {\displaystyle \kappa } and...
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that of subtle cardinals and remarkable cardinals inner model An inner model is a transitive model of ZF containing all ordinals Int Interior of a subset...
91 KB (11,628 words) - 12:22, 21 March 2025
from the Von Neumann universe V {\displaystyle V} into a transitive inner model M {\displaystyle M} with critical point κ {\displaystyle \kappa } and...
11 KB (1,849 words) - 03:16, 6 May 2025
proposed, in 2018, a three-layer model, with an "inner inner core" (IIC) with about 500 km radius, an "outer inner core" (OIC) layer about 600 km thick...
61 KB (7,216 words) - 04:01, 26 June 2025
L(R) (category Inner model theory)
In set theory, L(R) (pronounced L of R) is the smallest transitive inner model of ZF containing all the ordinals and all the reals. L(R) can be constructed...
3 KB (340 words) - 05:35, 21 June 2025
Skolem's paradox (category Inner model theory)
philosophy, Skolem's paradox is the apparent contradiction that a countable model of first-order set theory could contain an uncountable set. The paradox...
28 KB (3,331 words) - 03:41, 7 July 2025
The inner team is a personality model created by German psychologist Friedemann Schulz von Thun. The plurality of the human inner life or facets of the...
7 KB (887 words) - 20:57, 7 November 2024
vehicle. Instead, it represents them as specific to a Car. We can model this notion using inner classes as follows: We have the top-level class Car. Instances...
7 KB (984 words) - 13:19, 19 December 2022
constructible universe L {\displaystyle L} is the core model—that is, the canonical inner model that approximates the large cardinal structure of the universe...
11 KB (1,679 words) - 14:46, 20 April 2025
A large language model (LLM) is a language model trained with self-supervised machine learning on a vast amount of text, designed for natural language...
131 KB (13,790 words) - 21:58, 6 July 2025
October 6, 2019. "James Denton, the Desperate Housewives star channels his inner model". First Luxe. Archived from the original on April 18, 2012. Retrieved...
21 KB (1,530 words) - 21:38, 25 May 2025
The minimal model of set theory has no inner models other than itself. In particular it is not possible to use the method of inner models to prove that...
3 KB (493 words) - 02:36, 24 April 2023
Mouse (set theory) (category Inner model theory)
In set theory, a mouse is a small model of (a fragment of) Zermelo–Fraenkel set theory with desirable properties. The exact definition depends on the...
2 KB (248 words) - 12:46, 27 March 2025
Internal set theory Intersection (set theory) Inner model theory Core model Covering lemma Inner model Mouse (set theory) L L(R) Large cardinal property...
5 KB (448 words) - 01:47, 13 February 2025
Extender (set theory) (category Inner model theory)
maps the set-theoretic universe V {\displaystyle V} into a transitive inner model M , {\displaystyle M,} with critical point κ, and a cardinal λ, κ≤λ≤j(κ)...
4 KB (701 words) - 16:52, 2 September 2024