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v4
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Theorem
LowerSet.mem_prod
Modification history
2023-05-28 11:05
Mathlib/Order/UpperLower/Basic.lean
refactor: use the typeclass `SProd` to implement overloaded notation `· ×ˢ ·` (#4200) …
Modified
LowerSet.mem_prod
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2023-02-01 07:36
Mathlib/Order/UpperLower/Basic.lean
feat: port Order.UpperLower.Basic (#1978)
Added
LowerSet.mem_prod
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