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leanprover-community / batteries Public

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feat: lemmas about `Nat.toDigits`#1267

Merged

fgdorais merged 12 commits intoleanprover-community:mainleanprover-community/batteries:mainfrom

marcusrossel:to-digitsmarcusrossel/batteries:to-digitsCopy head branch name to clipboard

Jul 19, 2025

Conversation Commits12 (12)Checks Files changed

Merged

feat: lemmas about `Nat.toDigits`#1267
fgdorais merged 12 commits intoleanprover-community:mainfrom
marcusrossel:to-digits

Commits

Commits on Jun 7, 2025

feat: add lemma connecting `Nat.toDigits` and `Char.isDigit`
marcusrossel
committed
Strengthen lemma
marcusrossel
committed

Commits on Jun 8, 2025

Change `isDigit_digitChar_iff_lt` to `isDigit_digitChar`
marcusrossel
committed
Add two additional lemmas
marcusrossel
committed
Fix namespace
marcusrossel
committed
Remove redundant lemma
marcusrossel
committed
Implement @eric-wieser's generalization
marcusrossel
committed
Generalize theorem
marcusrossel
committed
Fix theorem name
marcusrossel
committed

Commits on Jun 9, 2025

Add proof of `toDigits_append_toDigits`
marcusrossel
committed
Add proof of
marcusrossel
committed
Remove unnecessary assumptions
marcusrossel
committed

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