Theorems · Theorem · logic and foundations
Ordinal.blsub_id
Deprecated since 2026-03-23Mathlib marks this declaration as deprecated.
∀ (o : Ordinal.{u}), (o.blsub fun x x_1 => x) = o- Defined in
- Mathlib.SetTheory.Ordinal.Family
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 88 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites3
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Ordinalstatement · cited by 1,688
- Ordinal.blsubstatement · cited by 44
- Ordinal.lsub_typeinproof · cited by 2
Cited by1
Results whose statement or proof uses this declaration.
- Ordinal.IsFundamentalSequence.id_of_le_cofproof · cited by 0