Theorems · Definition · logic and foundations
Cardinal.cantorFunction
ℝ → (ℕ → Bool) → ℝ
cantorFunction c (f : ℕ → Bool) is Σ n, f n * c ^ n, where true is interpreted as 1 and
false is interpreted as 0. It is implemented using cantorFunctionAux.
- Defined in
- Mathlib.Analysis.Real.Cardinality
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 114 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Realstatement and proof · cited by 25,697
- SummationFilter.unconditionalproof · cited by 2,068
- tsumproof · cited by 1,148
- Cardinal.cantorFunctionAuxproof · cited by 9
Cited by4
Results whose statement or proof uses this declaration.
- Cardinal.cantorFunction_injectivestatement and proof · cited by 1
- Cardinal.cantorFunction_lestatement · cited by 1
- Cardinal.cantorFunction_succstatement and proof · cited by 1
- Cardinal.increasing_cantorFunctionstatement and proof · cited by 1