📁 Source: Mathlib/Analysis/Complex/HalfPlane.lean
isOpen_im_gt_EReal
isOpen_im_lt_EReal
isOpen_re_gt_EReal
isOpen_re_lt_EReal
IsOpen
Complex
UniformSpace.toTopologicalSpace
PseudoMetricSpace.toUniformSpace
SeminormedRing.toPseudoMetricSpace
SeminormedCommRing.toSeminormedRing
NormedCommRing.toSeminormedCommRing
NormedField.toNormedCommRing
instNormedField
setOf
EReal
Preorder.toLT
PartialOrder.toPreorder
instPartialOrderEReal
Real.toEReal
im
isOpen_lt
OrderTopology.to_orderClosedTopology
EReal.instOrderTopology
continuous_const
EReal.continuous_coe_iff
continuous_im
re
continuous_re
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