Theorem is_Gδ_bInter_of_open
Modification history
2022-06-22 18:31
src/topology/G_delta.lean
refactor(data/set/countable): make `set.countable` protected (#14886) …
Modified is_Gδ_bInter_of_openView on Github →2020-11-11 13:39
src/topology/G_delta.lean
feat(measure_theory/borel_space): continuity set of a function is measurable (#4967) …
Modified is_Gδ_bInter_of_openView on Github →