Question: Define = {a, b, c, . . . , z} be the set of letters in the English alphabet. Prove that the following language is

Define = {a, b, c, . . . , z} be the set of letters in the English alphabet. Prove that the following language is undecidable: Cats-VS-Dogs = { | Either cats L(M) or dogs L(M), but not both.}.

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