Replace the TODO(lean-port) sorry with a complete proof of the
projectionOrdering theorem: for positive SourceValue pairs s1 < s2
with s2 ≤ maxExpected, projectToCoding preserves strict ordering
of the Q0_64 values.
The proof uses Nat-only arithmetic (no Float) and handles two cases:
- a2 < d: both values fit in Q0_64 range, ordering follows from
monotonicity of integer division
- a2 = d: a2*s/d = s clamped to q0_64MaxRaw; a1*s/d < q0_64MaxRaw
via the key inequality (d-1)*s < (s-1)*d
Build: 8598 jobs, 0 errors (lake build)
AGENTS.md: added SpherionTwinPrime architecture section, updated Burgers energy dissipation to parametric form.
spherion_twin_prime.py (20KB): priority-queue walk with polarity energy tuning.
Build: 8598 jobs, 0 errors.
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)
Squash the four overlapping feature branches into a single change set against
main, eliminating cross-PR merge conflicts and the duplicated CI-fix scripts.
What this brings in (merge order #79 -> #80 -> #81 -> #89):
- #79 refactor(infra): shared utilities (4-Infrastructure/lib/*: q16, hashing,
jsonl, fraction_utils) + the scripts/math-first/* validators that the
math-check CI requires.
- #80 feat(lean): Semantics.E8Sidon (1025 lines) -- Eisenstein coefficient
identity E4^2 = E8 and the Sidon framework. E4_sq_eq_E8_coeff is fully proved
(all Fourier-coefficient extraction machine-checked); the single residual gap
is pinned to E4_sq_eq_E8_qExpansion (Mathlib lacks the valence formula /
dim M8 = 1). 4 sorries + 1 axiom (e8_additive_completeness), all TODO(lean-port).
- #81 refactor(lean): Float-free FixedPoint core (integer-only sqrt/log2/expNeg).
E8Sidon.lean kept at #80's final 1025-line version (the #81 intermediate
438-line copy was overridden by merge order).
- #89 feat(lean): Semantics.RRC.PolyFactorIdentity -- short-sleeve polynomial
detection at the zerocopy limb boundary; now imports Semantics.E8Sidon for
sigma3/sigma7/convolutionLHS (single source of truth) instead of inlining them.
Conflict resolution:
- flake.nix -> canonical rs-surface removal (Garnix shutdown).
- scripts/math-first/* -> byte-identical across branches, clean.
- .cursorrules / AGENTS.md -> unified; baselines + sorry inventory refreshed.
Verification:
- lake build (default aggregator): 3573 jobs, 0 errors.
- lake build Semantics.RRC.PolyFactorIdentity (E8Sidon + FixedPoint + PolyFactor):
3655 jobs, 0 errors. Witnesses verified (sigma7 4 = 16513, convolutionLHS 6 = 2350).
- Python tests: 68/68 pass.
Note: the "Workers Builds: researchstack" check is a preexisting external
Cloudflare build unrelated to this change (no branch touches 4-Infrastructure/cloudflare/).
Build: 3573 jobs (default), 3655 jobs (narrow), 0 errors
Co-Authored-By: Allaun Silverfox <bigdataiscoming+9i37y6j2@protonmail.com>
Restructured the det_self_inverse theorem in AdjugateMatrix.lean into det_self_inverse_approx and det_self_inverse_exact to account for fixed-point division/multiplication truncation errors. Proved the updated build in Semantics.
Build: 3571 jobs, 0 errors (lake build)
Resolve issue where build_sparkle_tangnano9k.sh failed to locate nextpnr-himbaechel by checking the system PATH when local folder tools/ is empty.
Build: 3571 jobs, 0 errors (lake build)
Synthesized and placed-and-routed the UART beacon design on Tang Nano 9K with physical reset bypassed (rst_n_internal = 1'b1). Programmed the SRAM using openFPGALoader (CRC check: Success). Verified the physical UART blockage due to BL702 bridge firmware limitations via local probe, confirming the virtual serial route (virtual://q16-pty) as the active verification path. Updated scoped AGENTS.md files with the latest hardware status and Lean build baselines.
Build: 3313 jobs, 0 errors (lake build)
FixedPoint.lean:
- mul_mono_left: proved via Int.mul_le_mul_of_nonneg_right + Int.ediv_le_ediv
with explicit hpos : 0 < q16Scale proof (not synthesized by norm_num)
- mul_mono_right: proved via Int.mul_le_mul_of_nonneg_left + same pattern
- abs_triangle: reverted to admit — q16Clamp applies Int.abs internally making
sign analysis non-trivial; needs case split on sign of (a*b)/q16Scale
SSMS.lean:
- t2 (line 617): corrected first arg from cT i - cT j to Q16_16.abs (cT i - cT j)
to match available hcand hypothesis
- t1 (line 606-614): fixed admit in inner proof with proper h_diff_nonneg +
lt_of_ge_of_le chain using h_aciBound_nonneg
- AGENTS.md: updated status — mul_mono_left/right are proved, abs_triangle is the
critical remaining blocker for aciPreservedByMlgruStep
Build: 3313 jobs, 0 errors (lake build)
FixedPoint.lean: add stubs for abs_triangle, sub_eq_add_neg,
mul_mono_left/right, add_le_add, abs_nonneg, abs_mul_le.
All blocked by the same core issue: calc/rw/omega fail on
ofRawInt-projected Int arithmetic after unfold mul/add/abs/neg.
The pattern that works in PistSimulation (unfold + Int.ediv_le_ediv
+ ofRawInt_toInt_eq_clamp + q16Clamp_monotone) fails here
because the goal structures differ.
Known-working pattern to finalize:
1. unfold the Q16_16 op
2. have h2 := raw Int inequality (Int.mul_le_mul_of_nonneg_*)
3. have hdiv := Int.ediv_le_ediv (by norm_num) h2
4. rw [ofRawInt_toInt_eq_clamp, ofRawInt_toInt_eq_clamp]
5. exact q16Clamp_monotone _ _ hdiv
AGENTS.md: document 6 new TODO(lean-port) items in Pending Proof Work.
Build: 3313 jobs, 0 errors (lake build Compiler)
Body:
- ko_preserves_hyperbola_approx: document the new explicit premise
(onHyperbolaApprox (forwardStep s Δu) Q16_16.epsilon at line 69)
- aciPreservedByMlgruStep: document the new explicit premise (hBlendACI
at lines 545-548)
- both retain their TODO(lean-port) tags for the arithmetic lemmas
(sqrt error bound / triangle inequality + mul monotonicity)
Build: 3313 jobs, 0 errors (lake build Compiler)
Remove three active sorries by tightening the QFactor lawfulness gate and making the HyperbolicStateSurface and SSMS Q16_16 proof boundaries explicit premises instead of hidden obligations.
Build: 3571 jobs, 0 errors (lake build)
- lakefile.toml: add Compiler lean_lib with 5 blessed roots
(Semantics.RRC.Emit, Semantics.AVMIsa.Emit, Semantics.AVMIsa.Run,
Semantics.ReceiptCore, Semantics.RRCLogogramProjection);
defaultTargets = ["Semantics", "Compiler"]
- PistSimulation.lean: restore goldenContractionEnergyDecrease theorem body
(was commented out as TODO forward-ref to arrayKineticEnergy); moved to
after burgersPhiEnergyStep where all dependencies are in scope;
proof stub retained with sorry + TODO(lean-port) comment
- AGENTS.md: document blessed Compiler surface, Goal A receipt shape,
quarantine table, pending proof work, and key Lean 4.30 API notes
Build: 3566 jobs, 0 errors (lake build)
Generated with [Devin](https://cli.devin.ai/docs)
Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
