Commit 2023-05-24 09:36 104cb177

View on Github →

feat: port Topology.Instances.RatLemmas (#4277)

Estimated changes

Modified Mathlib.lean

Created Mathlib/Topology/Instances/RatLemmas.lean

added theorem Rat.dense_compl_compact

added theorem Rat.interior_compact_eq_empty

added theorem Rat.not_countably_generated_cocompact

added theorem Rat.not_countably_generated_nhds_infty_alexandroff

added theorem Rat.not_firstCountableTopology_alexandroff

added theorem Rat.not_secondCountableTopology_alexandroff