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Theorem
WellFounded.rank_lt_of_rel
Modification history
2025-03-21 01:28
Mathlib/SetTheory/Ordinal/Rank.lean
chore: remove >6 month old deprecations in `SetTheory` (#23164) …
Deleted
WellFounded.rank_lt_of_rel
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2024-10-22 17:17
Mathlib/SetTheory/Ordinal/Arithmetic.lean
chore(SetTheory/Ordinal/Rank): move `IsWellFounded.rank` to its own file (#18078)
Modified
WellFounded.rank_lt_of_rel
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2023-02-16 08:59
Mathlib/SetTheory/Ordinal/Arithmetic.lean
feat: port SetTheory.Ordinal.Arithmetic (#2271)
Added
WellFounded.rank_lt_of_rel
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