Section 12 — Statements #
This file records the Section 12 pasting conclusions as reusable proposition-valued structures. It gives the displayed error formulas and the statement structures for the switcheroo, completed-family, half-sandwich, recurrence, Chernoff, and final pasting steps.
References #
references/ldt-paper/ld-pasting.texblueprint/src/chapter/ch09_pasting.tex
The final completeness lower bound used in the pasting statements.
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Displayed error term for lem:commutativity-switcheroo.
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Displayed error term for cor:commuting-with-G-complete.
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Displayed error term for cor:commuting-with-G-incomplete.
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- MIPStarRE.LDT.Pasting.commutingWithGIncompleteError params gamma zeta = MIPStarRE.LDT.Pasting.commutingWithGCompleteError params gamma zeta
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Displayed error term for the pairwise complete-part commutation bound used in
cor:G-hat-facts.
This is exactly the upstream thm:com-main error term. The proof of
cor:G-hat-facts only weakens the exponent to 1/16 after adding the three
incomplete-part commutation contributions.
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- MIPStarRE.LDT.Pasting.pairwiseCompletePartCommutationError params gamma zeta = MIPStarRE.LDT.Commutativity.comMainError params gamma zeta
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Displayed self-consistency error for \widehat G.
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- MIPStarRE.LDT.Pasting.gHatSelfConsistencyError zeta = 2 * zeta
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Displayed commutation error for \widehat G.
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Displayed error term for commuting past k completed slices.
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- One or more equations did not get rendered due to their size.
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Displayed error term for lem:ld-sandwich-line-one-point.
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Displayed error term for lem:h-b-consistency.
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Displayed error term for lem:over-all-outcomes.
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Corrected error term for lem:from-H-to-G.
The paper states a linear-in-k ν₈, but its proof first accumulates
k · (2√(2ζ) + 2√ν₄(k)); since ν₄(k) already contains k², the commutation
contribution is quadratic in k. The Lean statement follows the proof's
literal telescope and uses the corrected quadratic bound.
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The per-step recurrence loss from the proof of lem:from-H-to-G.
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Literal telescope error from references/ldt-paper/ld-pasting.tex:1372.
The following paper line drops a factor of k from the commutation contribution;
Lean keeps the iterated adjacent-step bound and absorbs it into the corrected
quadratic fromHToGError.
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- MIPStarRE.LDT.Pasting.fromHToGPaperTotalError params gamma zeta k = ↑k * MIPStarRE.LDT.Pasting.fromHToGRecurrenceError params gamma zeta k
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Paper origin: references/ldt-paper/ld-pasting.tex:12-50
(\label{thm:ld-pasting}), conclusion in \label{item:ld-pasting-N-consistency}
(lines 45-49).
Analytic conclusion for thm:ld-pasting once a witness H has been fixed.
The theorem ldPastingNontrivial separately records that the chosen witness is the
canonical construction constructedPastedMeasurement params family k, so this
structure stores only the quantitative conclusion from the paper.
- pointConsistency : ConsRel strategy.state (uniformDistribution (Point params.next)) strategy.pointMeasurement.toIdxSubMeas (polynomialEvaluationFamily params.next H.toSubMeas) (MainInductionStep.ldPastingInInductionError params k eps delta gamma kappa zeta)
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Paper origin: references/ldt-paper/ld-pasting.tex:118-131
(\label{lem:ld-pasting-sub-measurement}).
Analytic conclusion for lem:ld-pasting-sub-measurement once a witness H
has been fixed.
The theorem ldPastingSubMeas separately records that the chosen witness is the
canonical construction constructedPastedSubMeas params family k, so this
structure stores only the quantitative properties proved about that witness.
- pointConsistency : ConsRel strategy.state (uniformDistribution (Point params.next)) strategy.pointMeasurement.toIdxSubMeas (polynomialEvaluationFamily params.next H) (MainInductionStep.ldPastingInInductionNu params k eps delta gamma zeta)
- completeness : CompletenessAtLeast strategy.state H.liftLeft (ldPastingCompletenessLowerBound params kappa (MainInductionStep.ldPastingInInductionNu params k eps delta gamma zeta) k)
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Paper origin: references/ldt-paper/ld-pasting.tex:514-536
(\label{lem:g-complete-self-consistency}); the \widehat G rewrite at
eq:gselfconall (references/ldt-paper/ld-pasting.tex:821) is the family of
self-consistency bounds compared against here.
Lean statement for lem:g-complete-self-consistency.
ψbi is the bipartite state on d * d (passed as strategy.state
by callers).
- completePartSelfConsistency : SDDRel ψbi (uniformDistribution (SliceQuestion params)) family.meas.toIdxSubMeas.liftLeft family.meas.toIdxSubMeas.liftRight zeta
Stores self-consistency of the full slice family
family.measbecause thecor:G-hat-factsdecomposition expands\widehat Gself-consistency into the original slice-family term plus the incomplete part, not the postprocessed complete-part family.
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Paper origin: references/ldt-paper/ld-pasting.tex:537-558
(\label{cor:g-bot-self-consistency}); incomplete-part complement of
\label{lem:g-complete-self-consistency} and the
eq:gselfconall self-consistency family at line 821.
Lean statement for cor:g-bot-self-consistency.
- incompletePartSelfConsistency : SDDRel ψbi (uniformDistribution (SliceQuestion params)) (incompletePartLeftFamily params family) (incompletePartRightFamily params family) zeta
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Paper origin: references/ldt-paper/ld-pasting.tex:560-720
(\label{lem:commutativity-switcheroo}).
Lean statement for lem:commutativity-switcheroo.
- aggregateCommutation : SDDOpRel ψbi (uniformDistribution (SlicePairQuestion params)) (switcherooAggregateLeft params family M) (switcherooAggregateRight params family M) (commutativitySwitcherooError zeta omega chi)
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Paper origin: references/ldt-paper/ld-pasting.tex:721-774
(\label{cor:commuting-with-G-complete}).
Lean statement for cor:commuting-with-G-complete.
- pairwiseCompletePartCommutation : SDDOpRel ψbi (uniformDistribution (SlicePairQuestion params)) (fun (q : SlicePairQuestion params) => (CommutativityPoints.orderedProductOpFamily (family.meas q.1).toSubMeas (family.meas q.2).toSubMeas).leftPlacedOpFamily) (fun (q : SlicePairQuestion params) => (CommutativityPoints.reversedProductOpFamily (family.meas q.1).toSubMeas (family.meas q.2).toSubMeas).leftPlacedOpFamily) (pairwiseCompletePartCommutationError params gamma zeta)
- pointWithCompletePartCommutation : SDDOpRel ψbi (uniformDistribution (SlicePairQuestion params)) (completePartPointProductLeft params family) (completePartPointProductRight params family) (commutingWithGCompleteError params gamma zeta)
- completePartCommutation : SDDOpRel ψbi (uniformDistribution (SlicePairQuestion params)) (completePartTotalProductLeft params family) (completePartTotalProductRight params family) (commutingWithGCompleteError params gamma zeta)
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Paper origin: references/ldt-paper/ld-pasting.tex:775-816
(\label{cor:commuting-with-G-incomplete}).
Lean statement for cor:commuting-with-G-incomplete.
- pointWithIncompletePartCommutation : SDDOpRel ψbi (uniformDistribution (SlicePairQuestion params)) (incompletePartPointProductLeft params family) (incompletePartPointProductRight params family) (commutingWithGIncompleteError params gamma zeta)
- incompletePartCommutation : SDDOpRel ψbi (uniformDistribution (SlicePairQuestion params)) (incompletePartTotalProductLeft params family) (incompletePartTotalProductRight params family) (commutingWithGIncompleteError params gamma zeta)
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Paper origin: references/ldt-paper/ld-pasting.tex:817-862
(\label{cor:G-hat-facts}); the displayed \widehat G self-consistency and
commutation lines eq:gselfconall and eq:gcomall are at lines 821 and 823.
Lean statement for cor:G-hat-facts.
- completedSelfConsistency : SDDRel ψbi (uniformDistribution (SliceQuestion params)) (gHatSelfConsistencyLeftFamily params family) (gHatSelfConsistencyRightFamily params family) (gHatSelfConsistencyError zeta)
- completedCommutation : SDDOpRel ψbi (uniformDistribution (SlicePairQuestion params)) (gHatPairProductLeft params family) (gHatPairProductRight params family) (gHatCommutationError params gamma zeta)
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Paper origin: references/ldt-paper/ld-pasting.tex:872-917
(\label{lem:commute-g-half-sandwich}).
Lean statement for lem:commute-g-half-sandwich.
- repeatedCommutation : SDDOpRel ψbi (uniformDistribution (PointTuple params k)) (gHatHalfSandwichLeft params family k) (gHatHalfSandwichRight params family k) (commuteGHalfSandwichError params gamma zeta k)
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Paper origin: references/ldt-paper/ld-pasting.tex:918-1040
(\label{lem:ld-sandwich-line-one-point}).
Lean statement for lem:ld-sandwich-line-one-point.
- linePointComparison : ConsRel strategy.state (uniformDistribution (SandwichedLineQuestion params k)) (ldSandwichLineOnePointLeftFamily params strategy family k i) (ldSandwichLineOnePointRightFamily params strategy family k i) (ldSandwichLineOnePointError params eps delta gamma zeta k)
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Paper origin: references/ldt-paper/ld-pasting.tex:1041-1140
(\label{lem:h-b-consistency}).
Lean statement for lem:h-b-consistency.
- lineConsistency : ConsRel strategy.state (uniformDistribution (VerticalLineQuestion params)) (hRestrictionToVerticalLine params (constructedPastedSubMeas params family k)) (verticalLineMeasurementFamily params strategy) (hBConsistencyError params eps delta gamma zeta k)
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Scalar expectation of the pasted submeasurement mass appearing on the
left-hand side of lem:over-all-outcomes.
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- MIPStarRE.LDT.Pasting.overAllOutcomesPastedMass params strategy family k = MIPStarRE.LDT.subMeasMass strategy.state (MIPStarRE.LDT.Pasting.constructedPastedSubMeas params family k).liftLeft
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Scalar expectation of the all-outcomes expansion on the right-hand side of
lem:over-all-outcomes.
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Paper origin: references/ldt-paper/ld-pasting.tex:1141-1294
(\label{lem:over-all-outcomes}).
Lean statement for lem:over-all-outcomes.
The paper's displayed statement is a scalar approximation of expectation values,
not a stronger ≈_δ relation between already-collapsed Unit-indexed
submeasurements. Accordingly, this structure stores only the absolute-value bound
between the pasted mass and the all-outcomes expansion mass.
- totalOutcomeExpansion : |overAllOutcomesPastedMass params strategy family k - overAllOutcomesExpansionMass params strategy family k| ≤ overAllOutcomesError params eps delta gamma zeta k
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Scalar expectation of one per-tail contribution in lem:from-H-to-G.
This is the single-τ_{≥ℓ} term appearing inside the aggregate stage mass from
references/ldt-paper/ld-pasting.tex, equation
eq:i-think-this-is-what-i'm-supposed-to-prove-2 (lines 1386–1391), and the
mirrored blueprint discussion in blueprint/src/chapter/ch09_pasting.tex.
The parameter prefixLen is the Lean 0-based stage index. In the ambient
k-step recurrence, the remaining tail length is tailLen = k - prefixLen.
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- MIPStarRE.LDT.Pasting.fromHToGTailStageMass params ψbi family prefixLen τtail = MIPStarRE.LDT.ev ψbi (MIPStarRE.LDT.Pasting.fromHToGTailStageFamily params family prefixLen τtail ()).total
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Scalar expectation of the full Lean stage-ℓ quantity from lem:from-H-to-G.
This is the aggregate quantity displayed in
references/ldt-paper/ld-pasting.tex, equation
eq:i-think-this-is-what-i'm-supposed-to-prove-2 (lines 1386–1391), and in the
matching blueprint section blueprint/src/chapter/ch09_pasting.tex.
Lean uses 0-based indexing: stage ℓ here corresponds to the paper's stage
ℓ + 1, so the remaining tail has length k - ℓ. Accordingly, this sums over
all remaining tail types τ_{≥ℓ} ∈ {0,1}^{k-ℓ}, while the next Lean stage
ℓ + 1 sums over the shorter tails τ_{>ℓ}.
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- MIPStarRE.LDT.Pasting.fromHToGStageMass params ψbi family k ℓ = ∑ τtail : MIPStarRE.LDT.Pasting.GHatType (k - ℓ), MIPStarRE.LDT.Pasting.fromHToGTailStageMass params ψbi family ℓ τtail
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Scalar expectation of the left-hand side of lem:from-H-to-G, i.e. the
uniform average of the eligible pasted-sandwich total mass.
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Scalar expectation of the Bernoulli-tail polynomial F(G) on the bipartite
state from lem:from-H-to-G.
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- MIPStarRE.LDT.Pasting.fromHToGBernoulliTailMass params ψbi family k = MIPStarRE.LDT.subMeasMass ψbi ((MIPStarRE.LDT.Pasting.bernoulliTailFromFamily params family k).liftRight ())
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Paper origin: references/ldt-paper/ld-pasting.tex:1295-1670
(\label{lem:from-H-to-G}).
Lean statement for lem:from-H-to-G.
The paper's displayed statement is a scalar approximation of expectation values,
not a new ≈_δ relation between submeasurements. Accordingly, this statement
stores only the final all-outcomes vs. Bernoulli-tail comparison; the
adjacent-stage estimates are recorded by the internal construction lemmas.
- bernoulliPolynomialRewrite : |fromHToGAllOutcomesMass params strategy ψbi family k - fromHToGBernoulliTailMass params ψbi family k| ≤ fromHToGError params gamma zeta k
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Paper origin: references/ldt-paper/ld-pasting.tex:1671-1798
(\label{lem:chernoff-bernoulli-matrix}); the operator-Chernoff inequality is
proved by applying continuous functional calculus to the scalar tail polynomial
and the scalar Chernoff bound eq:by-chernoff at line 1739.
Lean statement for lem:chernoff-bernoulli-matrix.
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Paper origin: references/ldt-paper/ld-pasting.tex:1799-1849
(\label{cor:ld-pasting-N-completeness}).
Lean statement for cor:ld-pasting-N-completeness.
- completenessBound : CompletenessAtLeast strategy.state (constructedPastedSubMeas params family k).liftLeft (ldPastingCompletenessLowerBound params kappa nu k)