Theorem lowerHemicontinuous_iff_isOpen_compl_preimage_Iic_compl

Modification history

2025-12-17 18:54
Mathlib/Topology/Semicontinuity/Hemicontinuity.lean
refactor: generalize semicontinuity (#32521) …
Added lowerHemicontinuous_iff_isOpen_compl_preimage_Iic_complView on Github →