Theorems · Theorem · number theory
Nat.ppred_eq_some
∀ {m n : ℕ}, n.ppred = some m ↔ m.succ = n- Defined in
- Mathlib.Data.Nat.PSub
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 10 from the axioms · uses no axioms
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites1
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Nat.ppredstatement and proof · cited by 15
Cited by2
Results whose statement or proof uses this declaration.
- Nat.ppred_eq_predproof · cited by 0
- Num.ppred_to_natproof · cited by 0