Theorem Matroid.eRk_le_eRk_add_eRk_sdiff

Modification history

2026-06-09 08:51
Mathlib/Combinatorics/Matroid/Rank/ENat.lean
chore: rename `diff` to `sdiff` (#40184) …
Added Matroid.eRk_le_eRk_add_eRk_sdiffView on Github →