Def Ordinal.liftPrincipalSeg

Modification history

2024-10-10 11:25

Mathlib/SetTheory/Ordinal/Basic.lean

feat(Order/InitSeg): notation for initial and principal segments of `<` (#17481) …

Modified Ordinal.liftPrincipalSeg View on Github →

2024-09-24 06:31

Mathlib/SetTheory/Ordinal/Basic.lean

chore(SetTheory/Ordinal/Basic): `lift.initialSeg` → `liftInitialSeg` (#16995)

Added Ordinal.liftPrincipalSeg View on Github →