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This PR adds theorems tagged with wf_preprocess for making it possible to conveniently write functions over nested inductive types such as trees that use List.any, in the same way that they're currently able to use List.map and other common list functions.

@jcreedcmu jcreedcmu requested a review from kim-em as a code owner November 26, 2025 14:51
This PR adds theorems tagged with `wf_preprocess` for making it
possible to conveniently write functions over nested inductive types
such as trees that use `List.any`, in the same way that they're
currently able to use `List.map` and other common list functions.
@jcreedcmu jcreedcmu added the changelog-language Language features and metaprograms label Nov 26, 2025
@github-actions github-actions bot added the toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN label Nov 26, 2025
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Mathlib CI status (docs):

  • ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase 8ace95f99f5e21ffe9e6912be9e58bfc965c3111 --onto b0e6db322421ce368999f08870fd747e45242f86. You can force Mathlib CI using the force-mathlib-ci label. (2025-11-26 15:50:13)

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Reference manual CI status:

  • ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase 8ace95f99f5e21ffe9e6912be9e58bfc965c3111 --onto d3dda9f6d4428a906c096067ecb75e432afc4615. You can force reference manual CI using the force-manual-ci label. (2025-11-26 15:50:14)

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