Introduction to the Theory of Computation

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Unformatted text preview: Theory of Computation -- CSE 105 Computability Homework 3 Homework 3: The solutions to the following problems should be turned in class by July 30, 1999. 1. Let is a DFA which doesn't accept any string containing an odd number of 1s . Show that is decidable. 2. Show that is undecidable. and are Turing Machines and 3. Give an example in the spirit of the recursion theorem of a program in a real programming language (or a reasonable approximation thereof) that prints itself out. 1 8 $ 4 976%" 5 ) 3" '0" @ 6) 4 $21 0("'%#"! " ) &$ ...
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