Mathlib v3 is deprecated. Go to Mathlib v4

Theorem list.count_pos

Modification history

2022-01-28 13:31
src/data/list/count.lean
feat(data/list/*): subperm_singleton_iff (#11680)
Modified list.count_posView on Github →
2021-11-08 10:06
src/data/list/basic.lean
split(data/list/*): split off `data.list.basic` (#10164) …
Modified list.count_posView on Github →
2017-11-19 05:53
data/list/basic.lean
feat(data/multiset): filter, count, distrib lattice
Modified list.count_posView on Github →
2017-10-15 01:58
data/list/basic.lean
feat(*): working on list/basic, robusting simp proofs
Added list.count_posView on Github →