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Reinhardt cardinal information


In set theory, a branch of mathematics, a Reinhardt cardinal is a kind of large cardinal. Reinhardt cardinals are considered under ZF (Zermelo–Fraenkel set theory without the Axiom of Choice), because they are inconsistent with ZFC (ZF with the Axiom of Choice). They were suggested (Reinhardt 1967, 1974) by American mathematician William Nelson Reinhardt (1939–1998).

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Reinhardt cardinal

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In set theory, a branch of mathematics, a Reinhardt cardinal is a kind of large cardinal. Reinhardt cardinals are considered under ZF (Zermelo–Fraenkel...

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Reinhardt

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Reinhardt may refer to: Reinhardt University, Waleska, Georgia, USA Reinhardt cardinal, a kind of large cardinal Reinhardt (surname) Reinhardt Kristensen...

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List of large cardinal properties

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the axiom of choice). Reinhardt cardinal, Berkeley cardinal Drake, F. R. (1974). Set Theory: An Introduction to Large Cardinals (Studies in Logic and...

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Extendible cardinal

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extendible cardinals are large cardinals introduced by Reinhardt (1974), who was partly motivated by reflection principles. Intuitively, such a cardinal represents...

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Berkeley cardinal

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with α < critical point < κ. Berkeley cardinals are a strictly stronger cardinal axiom than Reinhardt cardinals, implying that they are not compatible...

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Supercompact cardinal

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In set theory, a supercompact cardinal is a type of large cardinal independently introduced by Solovay and Reinhardt. They display a variety of reflection...

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Huge cardinal

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huge cardinal implies that Vopěnka's principle is consistent; more precisely any almost huge cardinal is also a Vopěnka cardinal. Kanamori, Reinhardt, and...

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Glossary of set theory

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cardinal is one equal to its own cofinality; a regular ordinal is a limit ordinal that is equal to its own cofinality. Reinhardt cardinal A Reinhardt...

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Large cardinal

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field of set theory, a large cardinal property is a certain kind of property of transfinite cardinal numbers. Cardinals with such properties are, as the...

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Wholeness axiom

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Replacement Axiom for j-formulas". Thus, the wholeness axiom differs from Reinhardt cardinals (another way of providing elementary embeddings from V to itself)...

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List of unsolved problems in mathematics

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consistent with 2 ℵ 0 > ℵ 2 {\displaystyle 2^{\aleph _{0}}>\aleph _{2}} ? Reinhardt cardinals: Without assuming the axiom of choice, can a nontrivial elementary...

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Kenneth Kunen

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which had been suggested as a large cardinal assumption (a Reinhardt cardinal). Away from the area of large cardinals, Kunen is known for intricate forcing...

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Indescribable cardinal

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Large Cardinals in Set Theory from Their Beginnings (2nd ed.). Springer. p. 64. doi:10.1007/978-3-540-88867-3_2. ISBN 3-540-00384-3. W. N. Reinhardt, "Ackermann's...

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List of incomplete proofs

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omitted the Tits group, though he soon fixed this. In 1967 Reinhardt proposed Reinhardt cardinals, which Kunen showed to be inconsistent with ZFC in 1971...

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Yves Congar

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Spirit for the life of individuals and of the church. He was created a cardinal of the Catholic Church in 1994. Congar was born in Sedan in northeast France...

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Paul DeJong

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League Baseball (MLB). He has previously played in MLB for the St. Louis Cardinals, Toronto Blue Jays, and San Francisco Giants. A native of Orlando, Florida...

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Otto Preminger

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the place of a subordinate and he decided to leave the Reinhardt fold. His status as a Reinhardt muse gave him an edge over much of his competition when...

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Reflection principle

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principles are connected to and can be used to motivate large cardinal axioms. Reinhardt gives the following examples: It may be helpful to give some informal...

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Reinhard Marx

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Reinhard Marx (born 21 September 1953) is a German cardinal of the Catholic Church. He serves as the Archbishop of Munich and Freising. Pope Benedict XVI...

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List of biographical films

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De Niro Mariposa de Barrio Jenni Rivera Angélica Celaya Django Django Reinhardt Reda Kateb First They Killed My Father Loung Ung Sareum Srey Moch Bomb...

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Normal CornBelters

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Illinois), October 20, 2009, accessed October 31, 2009. Reinhardt, Randy. "CornBelters tab former Cardinals coach as first manager", The Pantagraph (Bloomington...

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Christoph Waltz

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Vienna's Theresianum, Waltz went to study acting at the renowned Max Reinhardt Seminar. At the same time, he also studied singing and opera at the University...

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Pope Honorius IV

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achieve this plan. Cardinals created by Honorius IV Ingrid Baumgartner, "Savelli," Die grossen Familien Italiens (ed. Volker Reinhardt) (Stuttgart 1992)...

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