
A concrete example of Gödel's Incompleteness theorem
Gödel's incompleteness theorem says "Any effectively generated theory capable of expressing elementary arithmetic cannot be both consistent and complete. In particular, for any …
incompleteness - The Penrose–Lucas argument - Mathematics …
Of course, some alleged applications and consequences of incompleteness cannot be dismissed as easily as this. The Lucas-Penrose thesis (or theses) do not seem to turn on such …
logic - Does Gödel's Incompleteness Theorem really say anything …
Stephen Hawking believes that Gödel's Incompleteness Theorem makes the search for a 'Theory of Everything' impossible. He reasons that because there exist mathematical results that …
logic - Understanding Gödel's Incompleteness Theorem
Jan 5, 2011 · The incompleteness theorem says that any reasonable (i.e. consistent and axiomatizable) extension (by any new function/relation symbols and axioms) of the weak …
What is the difference between Gödel's completeness and …
The problem is that most of first-order mathematical theories have more than one model; in particular, this happens for $\mathsf {PA}$ and related systems (to which Gödel's (First) …
Prove Gödel's incompleteness theorem using halting problem
How can you prove Gödel's incompleteness theorem from the halting problem? Is it really possible to prove the full theorem? If so, what are the differences between original proof and …
What is a simple example of an unprovable statement?
Dec 5, 2014 · This explains the idea of incompleteness very well (as far as I understand it), but it doesn't give a concrete example of what a particular statement that is unprovable is or what it …
logic - Why bother with Mathematics, if Gödel's Incompleteness …
Why bother with Mathematics, if Gödel's Incompleteness Theorem is true? Ask Question Asked 14 years, 4 months ago Modified 12 years, 11 months ago
logic - Is Gödel's incompleteness theorem provable without any …
The entry on Gödel's incompletenss theorem in Wikipedia says: Any effectively generated theory capable of expressing elementary arithmetic cannot be both consistent and complete. In …
Why Euclidean geometry cannot be proved incomplete by Gödel's ...
According to it, Euclidean geometry doesn't satisfy the hypotheses of Gödel's incompleteness theorems, that is, it cannot define natural numbers. Why is that? Isn't the number of points, …