In Are coinductive proofs necessary?, the answerer claimed that we cannot prove inductively the take lemma:
Two streams that agree on all initial subsequences of given length are the same.
I was wondering how do you prove that this is the case.
In Are coinductive proofs necessary?, the answerer claimed that we cannot prove inductively the take lemma:
Two streams that agree on all initial subsequences of given length are the same.
I was wondering how do you prove that this is the case.
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