Theorem Ordinal.principal_mul_iff_le_two_or_omega_opow_opow

Modification history

2023-02-22 19:59
Mathlib/SetTheory/Ordinal/Principal.lean
feat: port SetTheory.Ordinal.Principal (#2442)
Added Ordinal.principal_mul_iff_le_two_or_omega_opow_opowView on Github →