Theorem Ordinal.ne_iSup_iff_lt_iSup

Modification history

2025-10-01 11:17
Mathlib/SetTheory/Ordinal/Family.lean
chore: remove deprecated declarations in `SetTheory.Ordinal.Family` (#30102) …
Deleted Ordinal.ne_iSup_iff_lt_iSupView on Github →
2025-03-18 10:08
Mathlib/SetTheory/Ordinal/Arithmetic.lean
chore(SetTheory): split `Ordinal/Arithmetic.lean` (#23017) …
Modified Ordinal.ne_iSup_iff_lt_iSupView on Github →
2024-09-16 17:23
Mathlib/SetTheory/Ordinal/Arithmetic.lean
refactor(SetTheory/Ordinal/Arithmetic): Ditch `Ordinal.sup` (#15820) …
Added Ordinal.ne_iSup_iff_lt_iSupView on Github →