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Mathlib v3 is deprecated.
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Theorem
list.length_eq_countp_add_countp
Modification history
2021-11-08 10:06
src/data/list/basic.lean
split(data/list/*): split off `data.list.basic` (#10164) …
Modified
list.length_eq_countp_add_countp
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2021-10-31 23:00
src/data/list/basic.lean
feat(data/list): length_filter_lt_length_iff_exists (#10074) …
Added
list.length_eq_countp_add_countp
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