Theorems · Theorem · logic and foundations
Ordinal.IsFundamentalSequence.cof_eq
Deprecated since 2026-03-23Use Ordinal.IsFundamentalSeq.ord_cof instead.
∀ {a o : Ordinal.{u}} {f : (b : Ordinal.{u}) → b < o → Ordinal.{u}}, a.IsFundamentalSequence o f → a.cof.ord = o- Cited by
- 2 results in Mathlib
- Foundations
- Depth 94 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- LE.le.transproof · cited by 3,151
- Ordinalstatement and proof · cited by 1,688
- Cardinal.ordstatement and proof · cited by 266
- Ordinal.cofstatement and proof · cited by 125
- LE.le.antisymm'proof · cited by 104
- Ordinal.IsFundamentalSequencestatement and proof · cited by 12
- Cardinal.ord_le_ordproof · cited by 7
- Cardinal.ord_card_leproof · cited by 6
- Ordinal.cof_blsub_leproof · cited by 1
Cited by2
Results whose statement or proof uses this declaration.
- Ordinal.IsFundamentalSequence.ord_cofproof · cited by 1
- Ordinal.IsFundamentalSequence.transproof · cited by 0