Theorems · Theorem · logic and foundations
Ordinal.bsup_one
Deprecated since 2026-04-05Mathlib marks this declaration as deprecated.
∀ (f : (a : Ordinal.{u_3}) → a < 1 → Ordinal.{max u_3 u_4}), Ordinal.bsup 1 f = f 0 ⋯- Defined in
- Mathlib.SetTheory.Ordinal.Family
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 44 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Ordinalstatement and proof · cited by 1,688
- zero_lt_onestatement and proof · cited by 598
- Ordinal.ToTypeproof · cited by 143
- PrincipalSeg.toRelEmbeddingproof · cited by 129
- Ordinal.typeinproof · cited by 60
- Ordinal.bsupstatement · cited by 49
- Ordinal.type_toTypeproof · cited by 28
- ciSup_uniqueproof · cited by 16
- Ordinal.typein_one_toTypeproof · cited by 1
Cited by1
Results whose statement or proof uses this declaration.
- Ordinal.blsub_oneproof · cited by 0