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Unformatted text preview: are required if P is re: If L is in (has property) P and L some re set L, then L is in P. If L is an infinite set in P, then there is some finite subset L of L that is in P. The set of finite languages in P is enumerable. 10/4/11 Dec 2, UCF (Charles E. 77 Using Extended Rice Violate Condition # 1 L = L is recursive L is a singleton set L is a regular set Violates Condition # 2 L = * Violates Condition # 3 10/4/11 Dec 2, UCF (Charles E. 88 RE Sets L L contains at least 3 numbers W is in L, for a fixed W L & Lu & 10/4/11 Dec 2, UCF (Charles E. 99 Minimum Quantification Recursive: unquantified total predicate RE: existentially quantified ~ RE: universally quantified Recursive: Can express as RE & ~RE TOT: universal/existential ~TOT: existential/universal...
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 Spring '08
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 Recursion

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