Question: Show that the following languages are not Turing-recognizable: a) L = { : M is a TM, w is an input string and M does

Show that the following languages are not Turing-recognizable:

a) L = { : M is a TM, w is an input string and M does not halt on w }

b) L = { : M is a TM that does not halt on the empty string Show that the following languages are not Turing-recognizable: a) L = { }

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