Is there computable model of finite fragments of ZFC?Undecidability in ZFCFinite fragments of ZFC$ V_ kappa$ ( $ kappa $ inaccessible ) models there is a countable model of ZFCIs there a countable transitive model satisfying the same set of first-order sentences as $V$?For transitive model $M$, is $L^M$ really a model of ZFC?Exercise with transitive models of ZFCMinimal model of ZFC without power set axiomConsistency strength of a proposition about models of ZFCExistence of an inner model of ZFC implies $Con(ZFC)$?Arithmetic statements independent of ZFC and standard model of arithmetic

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Is there computable model of finite fragments of ZFC?


Undecidability in ZFCFinite fragments of ZFC$ V_ kappa$ ( $ kappa $ inaccessible ) models there is a countable model of ZFCIs there a countable transitive model satisfying the same set of first-order sentences as $V$?For transitive model $M$, is $L^M$ really a model of ZFC?Exercise with transitive models of ZFCMinimal model of ZFC without power set axiomConsistency strength of a proposition about models of ZFCExistence of an inner model of ZFC implies $Con(ZFC)$?Arithmetic statements independent of ZFC and standard model of arithmetic













0












$begingroup$


There isn't a computable model of $ZFC$.

Because if there is it, then it produces a non-standard computable model of $PA$, but there isn't this model because of the tennenbaum's theorem.

However, robinson arithmetic $Q$ don't satisfies the tennenbaum's theorem.(ref.)

Thus we take a finite fragments of $ZFC$ such that it is with robinson arithmetic $Q$ and it is without $PA$.



Question:
Is there a computable model of this fragments?
If there is it, then how strong can it?



Thanks in advance.










share|cite|improve this question









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$endgroup$







  • 2




    $begingroup$
    So you're basically asking: how strong can a finite fragment of ZFC be while still having a computable model?
    $endgroup$
    – Noah Schweber
    15 hours ago















0












$begingroup$


There isn't a computable model of $ZFC$.

Because if there is it, then it produces a non-standard computable model of $PA$, but there isn't this model because of the tennenbaum's theorem.

However, robinson arithmetic $Q$ don't satisfies the tennenbaum's theorem.(ref.)

Thus we take a finite fragments of $ZFC$ such that it is with robinson arithmetic $Q$ and it is without $PA$.



Question:
Is there a computable model of this fragments?
If there is it, then how strong can it?



Thanks in advance.










share|cite|improve this question









New contributor




hina logic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$







  • 2




    $begingroup$
    So you're basically asking: how strong can a finite fragment of ZFC be while still having a computable model?
    $endgroup$
    – Noah Schweber
    15 hours ago













0












0








0





$begingroup$


There isn't a computable model of $ZFC$.

Because if there is it, then it produces a non-standard computable model of $PA$, but there isn't this model because of the tennenbaum's theorem.

However, robinson arithmetic $Q$ don't satisfies the tennenbaum's theorem.(ref.)

Thus we take a finite fragments of $ZFC$ such that it is with robinson arithmetic $Q$ and it is without $PA$.



Question:
Is there a computable model of this fragments?
If there is it, then how strong can it?



Thanks in advance.










share|cite|improve this question









New contributor




hina logic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$




There isn't a computable model of $ZFC$.

Because if there is it, then it produces a non-standard computable model of $PA$, but there isn't this model because of the tennenbaum's theorem.

However, robinson arithmetic $Q$ don't satisfies the tennenbaum's theorem.(ref.)

Thus we take a finite fragments of $ZFC$ such that it is with robinson arithmetic $Q$ and it is without $PA$.



Question:
Is there a computable model of this fragments?
If there is it, then how strong can it?



Thanks in advance.







set-theory






share|cite|improve this question









New contributor




hina logic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|cite|improve this question









New contributor




hina logic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









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edited 16 hours ago







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asked 17 hours ago









hina logichina logic

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hina logic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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hina logic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







  • 2




    $begingroup$
    So you're basically asking: how strong can a finite fragment of ZFC be while still having a computable model?
    $endgroup$
    – Noah Schweber
    15 hours ago












  • 2




    $begingroup$
    So you're basically asking: how strong can a finite fragment of ZFC be while still having a computable model?
    $endgroup$
    – Noah Schweber
    15 hours ago







2




2




$begingroup$
So you're basically asking: how strong can a finite fragment of ZFC be while still having a computable model?
$endgroup$
– Noah Schweber
15 hours ago




$begingroup$
So you're basically asking: how strong can a finite fragment of ZFC be while still having a computable model?
$endgroup$
– Noah Schweber
15 hours ago










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