User contributions for Chris-martin

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9 August 2020

17 March 2017

31 January 2017

6 January 2017

14 March 2010

21 February 2009

22 December 2008

15 December 2008

9 December 2008

  • 02:1702:17, 9 December 2008 diff hist 559 N File:Rice reduction.svg {{Information |Description={{en|1=A Turing machine which solves the halting problem, built using a Turing machine which decides any nontrivial property about the language of a Turing machine. Used to illustrate the reduction which generates a contradicti

5 December 2008

4 December 2008

30 November 2008

29 November 2008

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