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Theorem of_dual_covers_of_dual_iff

Modification history

2022-02-11 21:25
src/order/cover.lean
chore(order/cover): Rename `covers` to `covby` (#11984) …
Deleted of_dual_covers_of_dual_iffView on Github →
2022-01-12 11:08
src/order/cover.lean
feat(order/cover): `f a` covers `f b` iff `a` covers `b` (#11392) …
Added of_dual_covers_of_dual_iffView on Github →