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.
Gaps tending to infinity need not be Hadamard-lacunary
Statement refuted
“If an increasing integer sequence has gaps tending to infinity, then it is Hadamard-lacunary.”
Facts & Assumptions
Given: The increasing sequence for .
Counterexample
Its successive gaps are [given, algebra]
But [step 1.1, algebra] Hence no fixed can satisfy the ratio condition eventually, much less at every index. This violates the definition in Hadamard-lacunary sequences and lacunary trigonometric series.
Depends on
Used by
Nothing in the library uses this result yet.
Dependency tree · two levels
2 results within two dependency steps of this one, each drawn at its shortest distance from it. An arrow runs from a result to what uses it, so the chart reads left to right and ends at this result, which carries a heavier outline. Every node is a link to that result. Click elsewhere on the chart to enlarge it.
Sources
- Aihua Fan, Hervé Queffélec, and Martine Queffélec, The Furstenberg Set and Its Random Version (standard reference, not scraped)