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Theorem list.head_le_sum

Modification history

2021-11-08 10:06
src/data/list/basic.lean
split(data/list/*): split off `data.list.basic` (#10164) …
Modified list.head_le_sumView on Github →
2020-04-08 09:55
src/data/list/basic.lean
feat(data/list/basic): some lemmas about sum/head/tail for list ℕ (#2342) …
Added list.head_le_sumView on Github →