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allaun 5f80fd8429 chore(repo): push local 768-commit branch state onto clean remote baseline

This squashes all local history (768 commits) onto the scrubbed PR #90
baseline. Individual commits were lost during filter-repo corruption;
the working tree content is preserved intact.

Build: N/A (working tree state only)

2026-06-15 22:46:50 -05:00

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Singer's Theorem — Lean 4 Formalization

Forked from d0d1/singer-theorem-lean. This is a submodule of the Research Stack.

Build

cd /home/allaun/Research\ Stack/0-Core-Formalism/lean/singer-theorem-lean
lake exe cache get  # ALWAYS first — Mathlib from source needs ~32 GB RAM
lake build

Toolchain: leanprover/lean4:v4.29.0 (pinned in lean-toolchain). Dependency: Mathlib v4.29.0 (locked in lake-manifest.json).

Zero-sorry invariant

This project has zero sorries by design. Before committing:

lake build  # must pass with 0 errors
lake env lean --run Erdos30.lean 2>&1 | grep -i sorry  # no output

Port status

The main Singer theorem (singer_sidon_set) has been ported into the Research Stack's Semantics.SidonSets module. This repo is the canonical upstream. Changes here must be mirrored to Semantics.SidonSets if they affect the shared Sidon infrastructure (IsSidon, IsSidonMod, IsIntervalSidon).

Rules

Never edit lean-toolchain or bump Mathlib revs.
Linter warnings are acceptable; errors and sorries are not.
The prime-power extension (SingerPrimePower*) is a separate generalization; the core Singer proof only needs the prime case.

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