Theorem Ordinal.principal_add_iff_zero_or_omega_opow

Modification history

2024-10-03 10:05
Mathlib/SetTheory/Ordinal/Principal.lean
refactor(SetTheory/Ordinal/Basic): deprecate Ordinal.omega in favor of Ordinal.omega0 (#17158) …
Deleted Ordinal.principal_add_iff_zero_or_omega_opowView on Github →
2023-02-22 19:59
Mathlib/SetTheory/Ordinal/Principal.lean
feat: port SetTheory.Ordinal.Principal (#2442)
Added Ordinal.principal_add_iff_zero_or_omega_opowView on Github →