Theorems · Theorem · logic and foundations
ZFSet.exists_mem_vonNeumann
∀ (x : ZFSet.{u_1}), ∃ o, x ∈ ZFSet.vonNeumann oEvery set is in some element of the von Neumann hierarchy.
- Defined in
- Mathlib.SetTheory.ZFC.VonNeumann
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 93 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Ordinalstatement · cited by 1,688
- Order.succproof · cited by 633
- ZFSetstatement and proof · cited by 259
- ZFSet.rankproof · cited by 31
- ZFSet.vonNeumannstatement · cited by 25
- ZFSet.mem_vonNeumann_succproof · cited by 1
Cited by1
Results whose statement or proof uses this declaration.
- ZFSet.iUnion_vonNeumannproof · cited by 0