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chore: forward-port leanprover-community/mathlib#18964 #3842

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2 changes: 1 addition & 1 deletion Mathlib/Order/Disjoint.lean
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Expand Up @@ -504,7 +504,7 @@ theorem sup_eq_top (h : IsCompl x y) : x ⊔ y = ⊤ :=

end BoundedLattice

variable [DistribLattice α] [BoundedOrder α] {a b x y z : α}
variable [DistribLattice α] [BoundedOrder α] {a b c x y z : α}

theorem inf_left_le_of_le_sup_right (h : IsCompl x y) (hle : a ≤ b ⊔ y) : a ⊓ x ≤ b :=
calc
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