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v4
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Theorem
UpperSet.coe_ssubset_coe
Modification history
2026-03-21 08:07
Mathlib/Order/UpperLower/CompleteLattice.lean
chore(Order/UpperLower/CompleteLattice): use `to_dual` (#36920) …
Modified
UpperSet.coe_ssubset_coe
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2025-03-24 10:45
Mathlib/Order/UpperLower/Basic.lean
chore: split `Order.UpperLower.Basic` (#23248) …
Modified
UpperSet.coe_ssubset_coe
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2023-10-21 10:50
Mathlib/Order/UpperLower/Basic.lean
feat: Removing elements from a lower set (#7374) …
Added
UpperSet.coe_ssubset_coe
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