I am trying to prove that $$\{u\#v\,|\,u,v\in\{0,1\}^∗ \text{and }u \text{ is a substring of }v\}$$ is not context free. Is it possible for a subset of a non-context free language to be context-free?
2026-03-25 20:35:12.1774470912
Proof of a non context free language
32 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in CONTEXT-FREE-GRAMMAR
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