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TwoFX
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May 5, 2025
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May 13, 2025
This PR adds lemmas about the length and use of `[]?` on results of `List.intersperse`. This was suggested by @TwoFX as discussed in https://github.com/TwoFX/human-eval-lean/pull/164#discussion_r2074101914. I am unsure about the correct naming of `intersperse_getElem?_even` and `intersperse_getElem?_odd`.
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The relevant theorems are now in core, so I've updated this PR to be ready when leanprover/lean4@a6a2833 makes it into the next version of Lean. |
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Ah, I thought the lemmas were already in |
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