3:11 PM
new-tag A new tag wilsons-theorem was created - although I am not sure who created it. (The only question with this tag is by a user with low reputation.
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How can I prove Wilson's theorem using induction? I know other proofs of this theorem. But I am curious to know inductive proof.
1
As a simple exercise in modal logic, I'd like to show that $\not\vdash\Diamond(p\lor\neg p)$. However, when using the tableaux method, I can't get very far. After replacing $\neg\Diamond$ with $\Box\neg$, there are no previously introduced worlds in which to apply $\Box$. If I try to introduce "a...
6 hours later…
9:32 PM
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