Theorems · Theorem · logic and foundations
ZFSet.IsOrdinal.trichotomous
∀ {x : ZFSet.{u}}, x.IsOrdinal → Std.Trichotomous (Subrel (fun x1 x2 => x1 ∈ x2) fun x_1 => x_1 ∈ x)- Defined in
- Mathlib.SetTheory.ZFC.Ordinal
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 36 from the axioms · uses propext, Classical.choice, Quot.sound
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.
- ZFSetstatement and proof · cited by 259
- Subrelstatement and proof · cited by 53
- ZFSet.IsOrdinalstatement and proof · cited by 34
- ZFSet.IsOrdinal.memproof · cited by 7
- ZFSet.IsOrdinal.mem_trichotomousproof · cited by 1
Cited by2
Results whose statement or proof uses this declaration.
- ZFSet.isOrdinal_iff_trichotomousproof · cited by 1
- ZFSet.IsOrdinal.isTrichotomousproof · cited by 0