Theorem Ordinal.isPrincipal_mul_of_le_two

Modification history

2026-03-20 09:45

Mathlib/SetTheory/Ordinal/Principal.lean

chore: rename `Ordinal.Principal` → `Ordinal.IsPrincipal` (#36793) …

Added Ordinal.isPrincipal_mul_of_le_two View on Github →