Let X = {M,w| M is a single-tape TM that never modifies the portion of the tape
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Let X = {〈M,w〉| M is a single-tape TM that never modifies the portion of the tape that contains the input w}. Is X decidable? Prove your answer.
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step 1 of 1 X is undecidable which can be proof by reducibility Reduce ...View the full answer
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