Alphabeta Math
DefinitionDefinition: AI-adaptedProof: Not applicableSession-authored (Fable 5 assisted)judge pass (gpt-5.6-terra)audited 2026-08-27
How statement and proof provenance work

The first chip identifies the source of the statement or construction; the second identifies the source of its local proof or verification.

  • Literature-sourced: the exact statement appears in a cited source; only wording and notation differ.
  • AI-adapted: a semantically identical restatement of literature-sourced material, modulo indexing, notation, and boundary cases adopted by the library.
  • AI-generated: a genuinely novel statement formulated by AI, with no source for the claim itself.

These labels describe origin, not correctness: citations and verification chips remain separate evidence.

The Cantor measure

Definition

Assume the Axiom of Countable Choice. Let c:[0,1]R be the Cantor function The Cantor function on [0,1], defined on the Cantor set through ternary digits and extended constantly across each removed interval. Define

Fc(x):={0,x<0,c(x),0x1,1,x>1.

By The Cantor function is well defined, satisfies c(x)c(y) whenever xy, is surjective onto [0,1], and is constant on every interval removed from the Cantor set and The Cantor function is continuous on [0,1], the function Fc is nondecreasing and right-continuous on R. The Cantor measure is the Lebesgue-Stieltjes measure

μc:=μFc

given by Assuming countable choice, a nondecreasing right-continuous function defines a Borel measure on R.

Depends on

Used by

Dependency tree · two levels

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Sources