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Questions about general methods and techniques for proving multiple theorems. When asking about the proof of a single statement, use tags relating to what the proof is about instead.

1 vote

Reduction and decidability

Wrong solution ( based on the comment below ) L={⟨M⟩ | M accepts w whenever it accepts $w^R$}. Proof by contradiction. Assume that L is decidable and let $R$ be a decider for it. We will const …
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