Mathlib v3 is deprecated. Go to Mathlib v4

Theorem is_Gδ_sInter

Modification history

2022-06-22 18:31
src/topology/G_delta.lean
refactor(data/set/countable): make `set.countable` protected (#14886) …
Modified is_Gδ_sInterView 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_sInterView on Github →
2019-03-14 10:31
src/topology/metric_space/baire.lean
feat(topology/metric_space/baire): Baire theorem (#816)
Added is_Gδ_sInterView on Github →