Theorem Rat.not_firstCountableTopology_alexandroff

Modification history

2023-05-30 23:20
Mathlib/Topology/Instances/RatLemmas.lean
chore: Rename Alenxandroff to Compactification.OnePoint (#4506) …
Deleted Rat.not_firstCountableTopology_alexandroffView on Github →
2023-05-24 09:36
Mathlib/Topology/Instances/RatLemmas.lean
feat: port Topology.Instances.RatLemmas (#4277)
Added Rat.not_firstCountableTopology_alexandroffView on Github →