Def PFun.preimage

Modification history

2025-07-06 13:16

Mathlib/Data/PFun.lean

refactor: make `Rel` less see-through (#25587) …

Modified PFun.preimage View on Github →

2023-02-02 11:02

Mathlib/Data/PFun.lean

feat: port data.pfun (#1179) …

Added PFun.preimage View on Github →