Question: Let L = { M : M accepts the empty string and does not reject any string } . a ) Prove that L is

Let L ={M : M accepts the empty string and does not reject any string}.
a) Prove that L is undecidable.
b) Describe a TM with access to oracle ATM that co-recognises L, and argue that it works.
c) Describe a TM with access to oracle ATM that decides L.

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