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Results tagged with formal-languages
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user 10384
The study of formal languages (sets of strings or trees over an alphabet), rewriting systems and algorithms, recognition automata/algorithms, and related questions.
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Does the fixed point lemma / diagonalization require capturing or not?
this trivially leads to inconsistency: We can show that if T ⊢ 𝝍 then T ⊢ ⊥, and likewise if T ⊢ ¬𝝍 then T ⊢ ⊥.
In the case of $\neg\mathrm{Prov}(n)$, applying the diagonal lemma gives one (whe …
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