Re: Replacement of Cardinality

Liste des GroupesRevenir à s logic 
Sujet : Re: Replacement of Cardinality
De : wolfgang.mueckenheim (at) *nospam* tha.de (WM)
Groupes : sci.logic sci.math
Date : 05. Aug 2024, 20:17:42
Autres entêtes
Organisation : Nemoweb
Message-ID : <mB5ikUbKQf-Fx98xIcTvXuo5TkE@jntp>
References : 1 2 3 4 5 6 7 8 9 10
User-Agent : Nemo/0.999a
Le 04/08/2024 à 22:48, Moebius a écrit :
Am 04.08.2024 um 22:16 schrieb Jim Burns:
On 8/4/2024 2:13 PM, WM wrote:
 
[...] two claims which are
not both true or both false:
 
For every x there is u < x.
There is u < x for every x.
 BEIDE Aussagen werden selbstverständlich wie folgt formalisiert:
     ∀x ∃u u < x .
No.
∀x ∈ ℝ, ∀u ∈ 1/ℕ, ∃^NUF(x) u, ∀y >= x: u < y.
NUF(x) = n is given. The interval (0, x) containing n unit fractions is asked for.
Regards, WM

Date Sujet#  Auteur
26 Jul 24 * Replacement of Cardinality712WM
26 Jul 24 +* Re: Replacement of Cardinality2joes
27 Jul 24 i`- Re: Replacement of Cardinality1WM
27 Jul 24 +* Re: Replacement of Cardinality67Richard Damon
27 Jul 24 i`* Re: Replacement of Cardinality66WM
27 Jul 24 i `* Re: Replacement of Cardinality65Richard Damon
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28 Jul 24 i     `* Re: Replacement of Cardinality58Richard Damon
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2 Aug 24 i           i  `* Re: Replacement of Cardinality3WM
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2 Aug 24 i             ii `* Re: Replacement of Cardinality25WM
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6 Aug 24 i             ii        i  `* Re: Replacement of Cardinality2WM
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2 Aug 24 i              `* Re: Replacement of Cardinality8WM
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2 Aug 24 i                `* Re: Replacement of Cardinality4WM
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3 Aug 24 i                  `* Re: Replacement of Cardinality2WM
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27 Jul 24 +* Re: Replacement of Cardinality20Mikko
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29 Jul 24 i  `* Re: Replacement of Cardinality17WM
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30 Jul 24 i   `* Re: Replacement of Cardinality13Mikko
30 Jul 24 i    `* Re: Replacement of Cardinality12WM
31 Jul 24 i     `* Re: Replacement of Cardinality11Mikko
31 Jul 24 i      `* Re: Replacement of Cardinality10WM
2 Aug 24 i       `* Re: Replacement of Cardinality9Mikko
2 Aug 24 i        `* Re: Replacement of Cardinality8WM
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2 Aug 24 i         i`* Re: Replacement of Cardinality4WM
2 Aug 24 i         i `* Re: Replacement of Cardinality3Richard Damon
3 Aug 24 i         i  `* Re: Replacement of Cardinality2WM
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3 Aug 24 i          `- Re: Replacement of Cardinality1WM
27 Jul 24 `* Re: Replacement of Cardinality622Jim Burns
28 Jul 24  +* Re: Replacement of Cardinality612WM
28 Jul 24  i`* Re: Replacement of Cardinality611Jim Burns
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29 Jul 24  i i    `* Re: Replacement of Cardinality28Jim Burns
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29 Jul 24  i `- Re: Replacement of Cardinality1Moebius
29 Jul 24  `* Re: Replacement of Cardinality9Moebius

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