Theorem quotientMap_fst

Modification history

2024-10-23 02:43

Mathlib/Topology/Constructions.lean

chore: Rename `QuotientMap` to `IsQuotientMap` (#18062) …

Deleted quotientMap_fst View on Github →

2024-08-20 21:16

Mathlib/Topology/Constructions.lean

feat: `Prod.fst` and `Prod.snd` are quotient maps (#15956)

Added quotientMap_fst View on Github →