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Theorem finset.sdiff_singleton_not_mem_eq_self

Modification history

2023-04-19 23:18
src/data/finset/basic.lean
feat(data/finset/basic): `insert` and `erase` lemmas (#18729) …
Deleted finset.sdiff_singleton_not_mem_eq_selfView on Github →
2021-09-30 22:39
src/data/finset/basic.lean
feat(analysis/normed_space/add_torsor_bases): add lemma `exists_subset_affine_independent_span_eq_top_of_open` (#9418) …
Added finset.sdiff_singleton_not_mem_eq_selfView on Github →