Mathlib v3 is deprecated. Go to Mathlib v4

Theorem quotient_map_iff

Modification history

2023-05-25 22:47
src/topology/maps.lean
feat(topology/{maps,separation}): add lemmas about closed and quotient maps (#19071) …
Modified quotient_map_iffView on Github →
2020-11-27 11:58
src/topology/maps.lean
chore(topology/path_connected): move `proj_Icc` to a separate file (#5120) …
Added quotient_map_iffView on Github →