Actual query keys independent modulo old pins
Lax342547.QueryIndependence · concepts/Lax342547/QueryIndependence.lean · lax-342547
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Lemma
The incident selected rays in the actual four witness lists are independent modulo the combined nominal pins. The proof uses the existing indexed fresh-label exclusion, with fourteen distinct rays per endpoint.
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| 1 | import Lax342547.QueryReference |
| 2 | import Lax342547.PairedKeys |
| 3 | import Lax342547.KeySpans |
| 4 | import Lax342547.TableSpaces |
| 5 | |
| 6 | /-! |
| 7 | --- |
| 8 | title: Actual query keys independent modulo old pins |
| 9 | type: lemma |
| 10 | --- |
| 11 | The incident selected rays in the actual four witness lists are independent modulo the combined nominal pins. The proof uses the existing indexed fresh-label exclusion, with fourteen distinct rays per endpoint. |
| 12 | -/ |
| 13 | |
| 14 | namespace Lax342547.QueryIndependence |
| 15 | |
| 16 | open Lax342547.MomentSpace Lax342547.TagGeometry Lax342547.CutProfiles |
| 17 | open Lax342547.PairedWitnesses Lax342547.QueryReference Lax342547.QuerySlots |
| 18 | open Lax342547.PairedKeys Lax342547.KeySpans Lax342547.TableSpaces Lax342547.ExactPins |
| 19 | open Lax342547.ConcreteGeometry |
| 20 | |
| 21 | noncomputable def keyMap {k n b degree r : ℕ} {hr : 2 * r ≤ n} {H : Type} |
| 22 | (W : Lists k n b degree r hr) (e : Component (Tag k)) : |
| 23 | (ComponentPosition W e → Binary) →ₗ[Binary] ((Fin 2 × (Coordinate k n b degree ⊕ H)) → Binary) := by |
| 24 | classical |
| 25 | exact |
| 26 | { toFun := fun c => ∑ p, c p • ray (H := H) (degree := degree) (labels W) (bases W) p.val |
| 27 | map_add' := by intro c d; simp [add_smul, Finset.sum_add_distrib] |
| 28 | map_smul' := by intro s c; simp [Finset.smul_sum, smul_smul] } |
| 29 | |
| 30 | axiom actual_key_independence {k n b degree r : ℕ} {hr : 2 * r ≤ n} {H N : Type} |
| 31 | (W : Lists k n b degree r hr) |
| 32 | (P : Pin (Component (Tag k) × Bool) (Fin 2 × (Coordinate k n b degree ⊕ H)) N) |
| 33 | (A : Fin 2 → Finset (Fin b → Binary)) (hA : Excludes P A) |
| 34 | (hfresh : ∀ i z t, (W.left i z t).label ∉ A i) (a : Component (Tag k) × Bool) : |
| 35 | Function.Injective ((P.space a).mkQ.comp (keyMap (H := H) W a.1)) |
| 36 | |
| 37 | end Lax342547.QueryIndependence |
| 38 |
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