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Theorem not_covers

Modification history

2022-02-11 21:25
src/order/cover.lean
chore(order/cover): Rename `covers` to `covby` (#11984) …
Deleted not_coversView on Github →
2021-12-18 18:09
src/order/cover.lean
feat(order/cover): The covering relation (#10676) …
Added not_coversView on Github →