Theorem Ordinal.toNatOrdinal_natCast

Modification history

2026-02-20 00:22
Mathlib/SetTheory/Ordinal/NaturalOps.lean
chore: remove deprecated material from CGT (#35550) …
Deleted Ordinal.toNatOrdinal_natCastView on Github →
2025-03-14 18:18
Mathlib/SetTheory/Ordinal/NaturalOps.lean
feat: more lemmas on `NatOrdinal` (#22616) …
Added Ordinal.toNatOrdinal_natCastView on Github →