Mathlib v3 is deprecated. Go to Mathlib v4

Theorem finset.erase_ssubset_insert

Modification history

2022-06-12 11:53

src/data/finset/basic.lean

feat(data/{finset,set}/basic): More `insert` and `erase` lemmas (#14675) …

Added finset.erase_ssubset_insert View on Github →