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Theorem topological_space.is_open_Union_countable

Modification history

2019-03-03 19:05
src/topology/bases.lean
chore(topology): Splits topology.basic and topology.continuity (#785) …
Modified topological_space.is_open_Union_countableView on Github →
2018-10-10 22:50
analysis/topology/topological_space.lean
feat(analysis/measure_theory/integration): lebesgue integration [WIP]
Added topological_space.is_open_Union_countableView on Github →