Theorem Ordinal.principal_add_iff_zero_or_omega0_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) …
Added Ordinal.principal_add_iff_zero_or_omega0_opowView on Github →