Theorem Matroid.IsBasis.contract_isBasis_diff_diff_of_subset

Modification history

2025-04-03 15:46
Mathlib/Data/Matroid/Minor/Basic.lean
feat(Data/Matroid/Minor): organize minor API (#23591) …
Added Matroid.IsBasis.contract_isBasis_diff_diff_of_subsetView on Github →