Theorem IsOpen.preimage

Modification history

2024-01-26 03:44

Mathlib/Topology/Basic.lean

chore(Topology/Basic): re-use variables; rename a : X to x : X (#9993)

Modified IsOpen.preimage View on Github →

2024-01-24 10:41

Mathlib/Topology/Basic.lean

chore(Topology/Basic): rename variables (#9956) …

Modified IsOpen.preimage View on Github →

2023-01-26 08:19

Mathlib/Topology/Basic.lean

feat: port Topology.Basic (#1826)

Added IsOpen.preimage View on Github →