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Applied Identity Physics: The Sub-Lemma Process: A Step-by-Step Framework for Solving Hard Problems from Erdős-Turán to the Collatz Conjecture
Paperback
Publisher: Independently Published
Published: Aug 21 2026
Pages: 100
Weight: 0.32
Height: 0.21 Width: 6.00 Depth: 9.00
Language: English
The Evidence at Scale: 353 Erdős Problems
Paul Erdős was the most prolific mathematician of the 20th century and spent decades cataloging open problems across mathematics, many with attached prizes. We applied the LDP to all 353 problems in the catalog.
The result:
Type Count Description Type 1 - Finite Escape 130Sub-lemma closes structurallyType 3 - B-Balance 45Noble k-body balance decomposition
Type 4 - Torsion Gap 90Interior torsion forced to extremes
Type 2 - Computation Required 20PNBA gives bounds, exact value needs enumeration
Type 3 - Premise Invalid 3-5Question dissolved at input
All 310 Type 1-4 problems are addressed structurally in Lean 4 files [9,9,5,1] through [9,9,5,13], with zero sorry across all files.
For comparison: AlphaProof Nexus (DeepMind, May 2026) solved 9 of 353 problems using a state-of-the-art AI system at approximately $200-400 per problem. All 9 fall within the Type 1 category here. The LDP identifies the structure for 310+ problems simultaneously; the AI found proof paths for 9 specific ones through search.
The approaches are complementary. AI search excels at finding exact values (the Computation Required category). The LDP excels at identifying structural type (the Narrative Trap categories). Neither replaces the other.
4. Closing the Erdős-Turán Conjecture
Now we apply all of the above to a single hard problem.
The problem: Let A⊆N+ with ∑a∈A1/a=∞. Must A contain arithmetic progressions of all lengths? (Prize: $3,000. Open since 1936.)
We will close this problem in three LDP runs. Each one feeds into the next.
(ProofPress formatted for easy ai-mediated ingestion)
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