Theorem Matroid.eRk_le_eRk_add_eRk_diff

Modification history

2026-06-09 08:51
Mathlib/Combinatorics/Matroid/Rank/ENat.lean
chore: rename `diff` to `sdiff` (#40184) …
Deleted Matroid.eRk_le_eRk_add_eRk_diffView on Github →
2025-05-05 14:12
Mathlib/Data/Matroid/Rank/ENat.lean
feat(Matroid/Rank): more rank API (#23951) …
Added Matroid.eRk_le_eRk_add_eRk_diffView on Github →