Gérard Lang

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Name Gérard Lang
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11
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1
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926
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Prime numbers dividing the orders of the sporadic groups

feb 11 12 at 8:22 MathOverflow♦ 1●2●3

 
7
votes
1
answer
161
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Bijective-equivalent collections of proper classes in set theory

mar 15 at 4:19 Ali Enayat 4,459●1●9●23

1
6
votes
1
answer
357
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Ordered sum of posets

feb 15 12 at 23:28 David Milovich 681●3●10

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3
votes
1
answer
261
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About Tarski’s axioms a and A' and around (1)

jul 2 10 at 22:46 Joel David Hamkins 75.2k●7●187●343

 
2
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0
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147
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About Tarski’s axioms A and A' (2): transitive sets

jun 30 10 at 8:58 Charles Matthews 9,740●12●39

 
2
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0
answers
160
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About Tarski’s axioms A and A' (3): 16 equivalent axioms

jun 30 10 at 9:05 Gérard Lang 719●2●5

 
2
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0
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243
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About Tarski’s axioms A and A' (4): ZFC + Tarski-Grothendieck axiom

jun 30 10 at 9:30 Gérard Lang 719●2●5

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2
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1
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568
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About Grothendieck Universe and Tarski’s A and A' Axioms

jun 16 10 at 16:49 Joel David Hamkins 75.2k●7●187●343

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Answers
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Connection between the axiom of universes and Tarski’s axiom
0
What’s the difference between ZFC+Grothendieck, ZFC+inaccessible cardinals and Tarski-Grothendieck set theory?

 

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