Theorems · Theorem · logic and foundations
IsWellFounded.rank_lt_of_rel
∀ {α : Type u} {a b : α} {r : α → α → Prop} [hwf : IsWellFounded α r],
r a b → IsWellFounded.rank r a < IsWellFounded.rank r b- Defined in
- Mathlib.SetTheory.Ordinal.Rank
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 84 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- IsWellFounded
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Ordinalstatement · cited by 1,688
- IsWellFoundedstatement and proof · cited by 18
- IsWellFounded.rankstatement · cited by 9
- IsWellFounded.applyproof · cited by 5
- Acc.rank_lt_of_relproof · cited by 1
Cited by4
Results whose statement or proof uses this declaration.
- WellFoundedLT.rank_strictMonoproof · cited by 1
- WellFoundedGT.rank_strictAntiproof · cited by 0
- toWellOrderExtension_strictMonoproof · cited by 0
- IsWellFounded.exists_well_order_geproof · cited by 0