Questions tagged [computability]

83 questions
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Can a Turing machine decide if a formal model of computation is Turing complete?

That is, can a Turing machine take a formal system, S, as its input and decide if S is Turing complete? I think this is an undecidable problem, am I right? If it is undecidable, why can we (as humans) decide Turing completeness?
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jquery not working well on IE8

I have built a page which loads data dynamiically from a DB and uses jQuery to add html labels and classes to the page the html is
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