feat(Algorithms/Lean/MergeSort): relate mergeSort to List.mergeSort#605
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exekis wants to merge 1 commit into
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feat(Algorithms/Lean/MergeSort): relate mergeSort to List.mergeSort#605exekis wants to merge 1 commit into
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This adds a theorem showing that CSLib's timed
mergeSortreturns the same list as Mathlib'sList.mergeSortfor the linear order comparator.The theorem gives downstream users a bridge from the timed algorithm to existing
List.mergeSortfacts, while keeping the PR deliberately narrower than the open stability issue.Validation:
lake build Cslib.Algorithms.Lean.MergeSort.MergeSortlake build --wfail --iofaillake exe mk_all --check --modulelake testlake lintlake exe lint-style