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Q2Presentation.Induction.ZeroEdgeCount

The R4b count clauses (keep-shaped HYPOTHESES, not axioms) #

The R4b count, candidate source — THE zero-edge interim keep (manuscript prop:zeroedge l.4314–4369, eq:recursionR4b l.4342–4353 with the candidate functional ι_A of prop:chainmap; division-free):

2^{r+1}·Z_{Γ_A,λ}(B/C) = μ·(2^d·e_{Γ_A}(C) + G⁰·Σ_{χ∈𝒳_T} (2·n_{Γ_A,0}(Δ_{χ,κ}) − e_{Γ_A}(C)))

with μ = muT (the eq:mumultiplicity value), G⁰ = baseGaussSign ram · 2^{d/2} (the base Gauss sum of q̄_λ, gaussSum_eq_sign_two_pow-shaped), and Δ_{χ,κ} = Delta Z χ the U8 phase classes of ONE fixed bundle Z. s_Γ enters pre-absorbed as 2·n − e (eq:recursionR5a = the proven sGammaZ_eq; the ι_Γ-sign is BY DEFINITION the splitting indicator).

Deliberately NOT conditioned here on anything beyond the bundle — the hne/ZeroEdge/ram-pinning conditioning lives on the exits and on the (future, coordinated) keep axiom … (hne) (Z) (ram) (hram) (hpin) : ZeroEdgeCountGammaA …, which must also carry the base-identity pinning of Z until the transgression unit lands (U8 bundle note). Dissolution program (design §4.7): (i) P8 realization over the P6 engine (constrainedGauss_count + prop:phaseidentity via completedSquare/addLinear at the descended class, eq:pointwiseconstrained per lower map, then μ-multiplication and summation); (ii) ∂-surjectivity = the H²(M) = 0 content (U6-grade dévissage at the child); (iii) lem:affinelifting per source (candidate: ledger dévissage at V/T; local: citable numerics at tChildKernel); (iv) the signChar ↔ splitting-indicator identification (P8, per P6 §3's contract, δ_κ-absorption per P6 §7.6 — Delta includes δ_κ exactly once); (v) the sign pinnings P6.4–P6.8 discharging ram.

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    The R4b count, local source (manuscript prop:zeroedge mirror, with the local functional ι_F = inv_{ℚ₂}; same fixed bundle Z as the candidate clause — design §6.5). Same statement shape, provenance and dissolution program as ZeroEdgeCountGammaA.

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      The R4b exits (eq:recursionR4b, division-free, in ℤ) #

      theorem Q2Presentation.Induction.sec7_zeroEdge_count_gammaA {p : FramedPair} (chief : FirstNonScalarChiefFactor p) (K : KernelMinimal chief.toNonScalarChiefFactor) (lam : Module.Dual (ZMod 2) (Lifting.NAdd (xrKernel chief K))) (hinv : lam ∈ Lifting.conjInvDuals (xrKernel chief K)) (_hne : lam ≠ 0) (Z : ZeroEdgeDescentData chief K lam hinv) (ram : Bool) (_hram : Quadratic.gaussType (edgeHeadForm chief K lam hinv ⋯) = ram) (hkeep : ZeroEdgeCountGammaA chief K lam hinv Z ram) :
      2 ^ (rT chief K + 1) * ↑(Zcount chief K lam hinv boundaryPackage_GammaA) = ↑(muT chief K) * (2 ^ dimV chief K * ↑(eC chief K boundaryPackage_GammaA) + Quadratic.baseGaussSign ram * 2 ^ (dimV chief K / 2) * ∑ chi : ↥(XT chief K), (2 * ↑(phaseCount chief K (Delta chief K lam hinv Z chi) ⋯ ⋯ ⋯ boundaryPackage_GammaA) - ↑(eC chief K boundaryPackage_GammaA)))

      R4b, candidate source (prop:zeroedge, division-free ℤ-spelling): on the zero-edge branch, 2^{r+1}·Z_{Γ_A,λ}(B/C) equals the μ·(2^d·e_C + G⁰·Σ_χ(2·n − e_C)) closed form. The branch hypotheses pin the R4b case (design §4.7 exit signature): _hne mirrors U7's spelling (the bundle already carries Z.hne; consumed by P8's Classical.byCases split via Z.zeroEdge), and _hram is the P6 pinning slot tying the ram-flag to the target-side head form (gaussType q̄_λ = ram, discharged by P6.4–P6.8 through candidate_numZeros_eq_gaussType-grade theorems at [Nontrivial V] — supplied by edgeHead_nontrivial). The count clause enters as an explicit HYPOTHESIS (ZeroEdgeCountGammaA).

      theorem Q2Presentation.Induction.sec7_zeroEdge_count_gq2 {p : FramedPair} (chief : FirstNonScalarChiefFactor p) (K : KernelMinimal chief.toNonScalarChiefFactor) (lam : Module.Dual (ZMod 2) (Lifting.NAdd (xrKernel chief K))) (hinv : lam ∈ Lifting.conjInvDuals (xrKernel chief K)) (_hne : lam ≠ 0) (Z : ZeroEdgeDescentData chief K lam hinv) (ram : Bool) (_hram : Quadratic.gaussType (edgeHeadForm chief K lam hinv ⋯) = ram) (hkeep : ZeroEdgeCountGQ2 chief K lam hinv Z ram) :
      2 ^ (rT chief K + 1) * ↑(Zcount chief K lam hinv boundaryPackage_GQ2) = ↑(muT chief K) * (2 ^ dimV chief K * ↑(eC chief K boundaryPackage_GQ2) + Quadratic.baseGaussSign ram * 2 ^ (dimV chief K / 2) * ∑ chi : ↥(XT chief K), (2 * ↑(phaseCount chief K (Delta chief K lam hinv Z chi) ⋯ ⋯ ⋯ boundaryPackage_GQ2) - ↑(eC chief K boundaryPackage_GQ2)))

      R4b, local source (prop:zeroedge mirror): same shape, same bundle Z, same ram-pinning slot; the count clause enters as an explicit HYPOTHESIS (ZeroEdgeCountGQ2).

      ℕ-rearrangement guards for P8 (design §7's phaseCount_le note: #

      the 2·n − e factors are bounded by ±e_C, so P8's toNat-forms can move the negative terms across = — never Int.toNat inside a keep)

      theorem Q2Presentation.Induction.zeroEdge_phase_term_le {p : FramedPair} (chief : FirstNonScalarChiefFactor p) (K : KernelMinimal chief.toNonScalarChiefFactor) {Γ : ProfiniteGrp.{0}} (B : BoundaryPackage Γ) [Finite (boundaryFramedSurj B (cChild chief K).fst (cChild chief K).snd)] (zeta : (cChild chief K).fst.Y → (cChild chief K).fst.Y → ZMod 2) (hz1 : ∀ (y : (cChild chief K).fst.Y), zeta 1 y = 0) (hz2 : ∀ (y : (cChild chief K).fst.Y), zeta y 1 = 0) (hzc : ∀ (a b c : (cChild chief K).fst.Y), zeta a b + zeta (a * b) c = zeta b c + zeta a (b * c)) :
      2 * ↑(phaseCount chief K zeta hz1 hz2 hzc B) - ↑(eC chief K B) ≤ ↑(eC chief K B)

      2·n_{Γ,0}(ζ) − e_Γ(C) ≤ e_Γ(C) (from the proven n ≤ e).

      theorem Q2Presentation.Induction.zeroEdge_neg_eC_le_phase_term {p : FramedPair} (chief : FirstNonScalarChiefFactor p) (K : KernelMinimal chief.toNonScalarChiefFactor) {Γ : ProfiniteGrp.{0}} (B : BoundaryPackage Γ) [Finite (boundaryFramedSurj B (cChild chief K).fst (cChild chief K).snd)] (zeta : (cChild chief K).fst.Y → (cChild chief K).fst.Y → ZMod 2) (hz1 : ∀ (y : (cChild chief K).fst.Y), zeta 1 y = 0) (hz2 : ∀ (y : (cChild chief K).fst.Y), zeta y 1 = 0) (hzc : ∀ (a b c : (cChild chief K).fst.Y), zeta a b + zeta (a * b) c = zeta b c + zeta a (b * c)) :
      -↑(eC chief K B) ≤ 2 * ↑(phaseCount chief K zeta hz1 hz2 hzc B) - ↑(eC chief K B)

      −e_Γ(C) ≤ 2·n_{Γ,0}(ζ) − e_Γ(C) (nonnegativity of the count).