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ciphergoth comments on No coinductive datatype of integers - Less Wrong Discussion

4 Post author: cousin_it 04 May 2011 04:37PM

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Comment author: ciphergoth 06 May 2011 07:49:08AM 0 points [-]

Hmm. So T is an acceptor, A is an attacker. A(T) is an infinite sequence of symbols produced after examining T's source code, and T(A(T)) = ⊥ means T never rejects the sequence. Then what I was asserting is ¬∃A:∀T:T(A(T)) = ⊥. What you're asking now is whether ∀T:∃A:T(A(T)) = ⊥ and I can't immediately work out the answer.