Mathematics
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Zuhair's user avatar
Zuhair's user avatar
Zuhair
  • Member for 6 years, 2 months
  • Last seen this week
  • Baghdad, Iraq
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About

Amateur of Mathematical logic and foundations.

Founder of Acyclic comprehension criterion.

Erdős number: 4.

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32
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201
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64
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26
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69
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22
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26
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64
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20
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35
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11
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6
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23
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7
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152
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48
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Top posts
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All Questions Answers
Score Newest
question
11
Is this statement equivalent to AC?
Jun 28, 2020
question
8
Why not $\{\{a\},\{b, \emptyset \}\}$ as the ordered pairs?
Oct 24, 2019
question
5
Can full replacement follow from well ordered replacement over rest of axioms of ZF?
Apr 27, 2021
answer
5
Question about the definition of intersection in Zermelo–Fraenkel set theory
Jul 30, 2021
question
5
Can there be a sentence that is true in every model of an effective theory and yet not provable in that theory?
Apr 30, 2019
answer
5
Is this theory as strong as ZFC?
Mar 30, 2020
question
5
Is Choice over definable sets equivalent to AC?
Nov 24, 2021
question
5
Is this simple reflective separative theory inconsistent?
Nov 30, 2021
question
4
Is it possible to formalize iterative reflection in FOL, and what is its strength?
Feb 19, 2021
answer
4
Positive set theory, antifoundation, and the "co-Russell set"
May 11, 2020
Top network posts
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12
What is the definition of "Natural Selection"?
12
Can $L$ be defined without parameters?
11
Can Cantor's theorem be proved in Parameter Free Zermelo?
11
Can two set theories extending Z be different and yet bi-interpretable?
11
Is every set being cardinal definable consistent with ZF + negation of Choice?

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