Mathlib v3 is deprecated. Go to Mathlib v4

Theorem nhds_zero_symm

Modification history

2018-10-15 13:39
analysis/topology/topological_structures.lean
refactor(analysis/topology/topological_structures): use to_additive to derive topological_add_monoid and topological_add_group
Deleted nhds_zero_symmView on Github →
2018-10-15 13:33
analysis/topology/topological_groups.lean
feat(analysis/topology/topological_groups): construct topologies out of a group and a neighbourhood filter at 0
Modified nhds_zero_symmView on Github →
2018-10-15 13:33
analysis/topology/topological_groups.lean
feat(analysis/topology): group completion
Added nhds_zero_symmView on Github →