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@kim-em kim-em commented May 21, 2025

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Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Markus Himmel <markus@lean-fro.org>
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: Matthew Ballard <matt@mrb.email>
Co-authored-by: Kyle Miller <kmill31415@gmail.com>
Co-authored-by: Mario Carneiro <di.gama@gmail.com>
Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
Co-authored-by: Mac Malone <mac@lean-fro.org>
Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: Matthew Ballard <matt@mrb.email>
Co-authored-by: Markus Himmel <markus@lean-fro.org>
Co-authored-by: Kyle Miller <kmill31415@gmail.com>
Co-authored-by: Mario Carneiro <di.gama@gmail.com>
Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
Co-authored-by: Mac Malone <mac@lean-fro.org>
rw [foldlM_succ, List.finRange_succ, List.foldlM_cons]
congr; funext
rw [List.foldlM_map, ih]
exact foldlM_eq_finRange_foldlM f x
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The upstream lemma will be renamed tomorrow, and we can then simply delete.

@kim-em kim-em merged commit ed31844 into bump/v4.21.0 May 24, 2025
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9 participants