Mathlib Changelog
v3
Changelog
About
Github
Mathlib v3 is deprecated.
Go to Mathlib v4
Theorem
filter.map_inf_principal_preimage
Modification history
2021-02-10 15:17
src/order/filter/basic.lean
feat(topology/constructions): add `map_fst_nhds` and `map_snd_nhds` (#6142) …
Added
filter.map_inf_principal_preimage
View on Github →