Theorem Ordinal.not_principal_iff

Modification history

2024-11-12 10:47

Mathlib/SetTheory/Ordinal/Principal.lean

chore(SetTheory/Ordinal/Principal): use `variable` (#18898) …

Modified Ordinal.not_principal_iff View on Github →

2024-08-19 07:42

Mathlib/SetTheory/Ordinal/Principal.lean

chore(SetTheory/Ordinal/Principal): clean up formatting (#15953) …

Added Ordinal.not_principal_iff View on Github →