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Theorem list.length_pos_of_sum_ne_zero

Modification history

2021-10-31 07:34
src/data/list/basic.lean
chore(*): clean up the library using to_additive (#9790) …
Deleted list.length_pos_of_sum_ne_zeroView on Github →
2020-04-08 07:20
src/data/list/basic.lean
feat (data/list/basic): lemmas about prod and take (#2345) …
Added list.length_pos_of_sum_ne_zeroView on Github →