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Question 14523: A Cauchy–Schwarz Instance Retains the Universal-Certificate Boundary

On this page
  1. Original question and givens
  2. Definition and scope
  3. Step-by-step derivation
  4. Reverse checks
  5. Result
  6. This question review and source binding

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R0028-14523 · q-20261014-advance-20261029-r03-inner-product-induced-norm-0073

Original question and givens

Use the same certified real inner product on R², <u,v>=u^T A v, with A=[[24, 1], [1, 2]] and x=[-2, 0]. The complete integer matrix must be symmetric with a positive leading entry and positive determinant. The induced norm is the nonnegative sqrt(<x,x>), with exact sqrt(...) text retained without simplification. Cauchy–Schwarz is a universal mathematical certificate, not proved by these vector instances or a new Lean receipt. Completeness and Hilbert structure are not inferred. y=[-5, -10]. Give (inner_xy,norm_x_square,norm_y_square,lhs_square,rhs,pass?,Cauchy_Schwarz_universal_certificate).

  • G001 — Use the same certified real inner product on R², <u,v>=u^T A v, with A=[[24, 1], [1, 2]] and x=[-2, 0]. The complete integer matrix must be symmetric with a positive leading entry and positive determinant. The induced norm is the nonnegative sqrt(<x,x>), with exact sqrt(...) text retained without simplification. Cauchy–Schwarz is a universal mathematical certificate, not proved by these vector instances or a new Lean receipt. Completeness and Hilbert structure are not inferred. y=[-5, -10]. Give (inner_xy,norm_x_square,norm_y_square,lhs_square,rhs,pass?,Cauchy_Schwarz_universal_certificate).

Definition and scope

Use the original question domain, assumptions and cited MKO definitions. This item has second-context mathematical and bilingual review, with the model, answer and every arithmetic step independently recomputed from the original parameters; the source question remains a candidate.

Step-by-step derivation

S001 · calculation

Before

inner parent diagonal product := mul(24, 2)

After

inner parent diagonal product = 48

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001

S002 · calculation

Before

inner parent off-diagonal product := mul(1, 1)

After

inner parent off-diagonal product = 1

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S001

S003 · calculation

Before

inner parent determinant := sub(48, 1)

After

inner parent determinant = 47

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S002

S004 · implies

Before

same real R2 inner-product candidate matrix=[[24, 1], [1, 2]]

After

symmetric=Yes;leading=24;determinant=47

Conditions: none

Qualify the same symmetric positive-definite real R² parent matrix,not an unrelated Euclidean or coordinate norm.Symmetry,positive leading entry and positive determinant are required.

Step identifiers and dependencies

Rule: innernorm_certified_same_SPD_parent · Uses: G001, S003

S005 · calculation

Before

inner parent completed-square slope := div(1, 24)

After

inner parent completed-square slope = 1/24

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S004

S006 · calculation

Before

inner parent completed-square remainder := div(47, 24)

After

inner parent completed-square remainder = 47/24

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S005

S007 · implies

Before

positive leading=24;slope=1/24;positive remainder=47/24

After

q(s,t)=(24)*(s+(1/24)*t)^2+(47/24)*t^2;positive iff(s,t)!=0

Conditions: none

The two positive completed-square coefficients give positive self-inner-product for every nonzero real vector and0 at zero,not merely sampled positive values.

Step identifiers and dependencies

Rule: innernorm_parent_global_positive_square_certificate · Uses: G001, S006

S008 · implies

Before

same certified real inner product;arbitrary real x,y

After

if y=0 then inner(x,y)=0;otherwise yy>0 and q(x-a*y)=xx-2*a*xy+a^2*yy>=0

Conditions: none

For every real a,self-inner-product is nonnegative.When y≠0,yy>0;choose a=xy/yy to obtain xx−xy²/yy≥0,multiply by positive yy to get xy²≤xx*yy.Handle y=0 separately without0/0.

Step identifiers and dependencies

Rule: innernorm_Cauchy_Schwarz_all_vectors_quadratic · Uses: G001, S007

S009 · implies

Before

norm(x)=nonnegative sqrt(inner(x,x));inner product positive definite and bilinear

After

norm(x)>=0;norm(x)=0 iff x=0;norm(a*x)=abs(a)*norm(x)

Conditions: none

Only the nonnegative root is the norm.From q(ax)=a²q(x),taking roots gives|a|,not a,including negative scalars.The zero and homogeneity claims are universal.

Step identifiers and dependencies

Rule: innernorm_nonnegative_root_and_absolute_homogeneity · Uses: G001, S008

S010 · implies

Before

Cauchy-Schwarz holds for arbitrary x,y in this same inner product

After

norm(x+y)^2=xx+2*xy+yy<=(norm(x)+norm(y))^2;nonnegative roots give triangle inequality

Conditions: none

Bound the cross term by|xy|≤norm(x)norm(y),then take nonnegative roots for the universal triangle inequality.One exact instance is not the theorem's source,and no completeness follows.

Step identifiers and dependencies

Rule: innernorm_triangle_uses_universal_Cauchy_Schwarz · Uses: G001, S009

S011 · implies

Before

x self-inner-product:same matrix=[[24, 1], [1, 2]];first vector=[-2, 0];second vector=[-2, 0]

After

inner product=first^T*(matrix*second)

Conditions: none

Use the same parent inner product:matrix times second slot,then dot with first.Derived rational vectors still belong to R² and are not clipped to raw integer input bounds.

Step identifiers and dependencies

Rule: innernorm_original_slot_roles · Uses: G001, S010

S012 · calculation

Before

x self-inner-product matrix term0,0 := mul(24, -2)

After

x self-inner-product matrix term0,0 = -48

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S011

S013 · calculation

Before

x self-inner-product matrix term0,1 := mul(1, 0)

After

x self-inner-product matrix term0,1 = 0

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S012

S014 · calculation

Before

x self-inner-product image coordinate0 := sum(-48, 0)

After

x self-inner-product image coordinate0 = -48

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S013

S015 · calculation

Before

x self-inner-product matrix term1,0 := mul(1, -2)

After

x self-inner-product matrix term1,0 = -2

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S014

S016 · calculation

Before

x self-inner-product matrix term1,1 := mul(2, 0)

After

x self-inner-product matrix term1,1 = 0

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S015

S017 · calculation

Before

x self-inner-product image coordinate1 := sum(-2, 0)

After

x self-inner-product image coordinate1 = -2

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S016

S018 · calculation

Before

x self-inner-product first-slot term0 := mul(-2, -48)

After

x self-inner-product first-slot term0 = 96

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S017

S019 · calculation

Before

x self-inner-product first-slot term1 := mul(0, -2)

After

x self-inner-product first-slot term1 = 0

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S018

S020 · calculation

Before

x self-inner-product inner sum := sum(96, 0)

After

x self-inner-product inner sum = 96

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S019

S021 · implies

Before

y self-inner-product:same matrix=[[24, 1], [1, 2]];first vector=[-5, -10];second vector=[-5, -10]

After

inner product=first^T*(matrix*second)

Conditions: none

Use the same parent inner product:matrix times second slot,then dot with first.Derived rational vectors still belong to R² and are not clipped to raw integer input bounds.

Step identifiers and dependencies

Rule: innernorm_original_slot_roles · Uses: G001, S020

S022 · calculation

Before

y self-inner-product matrix term0,0 := mul(24, -5)

After

y self-inner-product matrix term0,0 = -120

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S021

S023 · calculation

Before

y self-inner-product matrix term0,1 := mul(1, -10)

After

y self-inner-product matrix term0,1 = -10

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S022

S024 · calculation

Before

y self-inner-product image coordinate0 := sum(-120, -10)

After

y self-inner-product image coordinate0 = -130

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S023

S025 · calculation

Before

y self-inner-product matrix term1,0 := mul(1, -5)

After

y self-inner-product matrix term1,0 = -5

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S024

S026 · calculation

Before

y self-inner-product matrix term1,1 := mul(2, -10)

After

y self-inner-product matrix term1,1 = -20

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S025

S027 · calculation

Before

y self-inner-product image coordinate1 := sum(-5, -20)

After

y self-inner-product image coordinate1 = -25

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S026

S028 · calculation

Before

y self-inner-product first-slot term0 := mul(-5, -130)

After

y self-inner-product first-slot term0 = 650

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S027

S029 · calculation

Before

y self-inner-product first-slot term1 := mul(-10, -25)

After

y self-inner-product first-slot term1 = 250

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S028

S030 · calculation

Before

y self-inner-product inner sum := sum(650, 250)

After

y self-inner-product inner sum = 900

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S029

S031 · implies

Before

ordered cross inner-product:same matrix=[[24, 1], [1, 2]];first vector=[-2, 0];second vector=[-5, -10]

After

inner product=first^T*(matrix*second)

Conditions: none

Use the same parent inner product:matrix times second slot,then dot with first.Derived rational vectors still belong to R² and are not clipped to raw integer input bounds.

Step identifiers and dependencies

Rule: innernorm_original_slot_roles · Uses: G001, S030

S032 · calculation

Before

ordered cross inner-product matrix term0,0 := mul(24, -5)

After

ordered cross inner-product matrix term0,0 = -120

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S031

S033 · calculation

Before

ordered cross inner-product matrix term0,1 := mul(1, -10)

After

ordered cross inner-product matrix term0,1 = -10

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S032

S034 · calculation

Before

ordered cross inner-product image coordinate0 := sum(-120, -10)

After

ordered cross inner-product image coordinate0 = -130

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S033

S035 · calculation

Before

ordered cross inner-product matrix term1,0 := mul(1, -5)

After

ordered cross inner-product matrix term1,0 = -5

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S034

S036 · calculation

Before

ordered cross inner-product matrix term1,1 := mul(2, -10)

After

ordered cross inner-product matrix term1,1 = -20

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S035

S037 · calculation

Before

ordered cross inner-product image coordinate1 := sum(-5, -20)

After

ordered cross inner-product image coordinate1 = -25

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S036

S038 · calculation

Before

ordered cross inner-product first-slot term0 := mul(-2, -130)

After

ordered cross inner-product first-slot term0 = 260

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S037

S039 · calculation

Before

ordered cross inner-product first-slot term1 := mul(0, -25)

After

ordered cross inner-product first-slot term1 = 0

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S038

S040 · calculation

Before

ordered cross inner-product inner sum := sum(260, 0)

After

ordered cross inner-product inner sum = 260

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S039

S041 · calculation

Before

Cauchy-Schwarz signed inner squared := mul(260, 260)

After

Cauchy-Schwarz signed inner squared = 67600

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S040

S042 · calculation

Before

Cauchy-Schwarz product of self-inner-products := mul(96, 900)

After

Cauchy-Schwarz product of self-inner-products = 86400

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S041

S043 · calculation

Before

Cauchy-Schwarz projection scalar := div(260, 900)

After

Cauchy-Schwarz projection scalar = 13/45

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S042

S044 · calculation

Before

projection scaled y coordinate0 := mul(13/45, -5)

After

projection scaled y coordinate0 = -13/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S043

S045 · calculation

Before

projection residual coordinate0 := sub(-2, -13/9)

After

projection residual coordinate0 = -5/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S044

S046 · calculation

Before

projection scaled y coordinate1 := mul(13/45, -10)

After

projection scaled y coordinate1 = -26/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S045

S047 · calculation

Before

projection residual coordinate1 := sub(0, -26/9)

After

projection residual coordinate1 = 26/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S046

S048 · implies

Before

projection residual self-inner-product:same matrix=[[24, 1], [1, 2]];first vector=[-5/9, 26/9];second vector=[-5/9, 26/9]

After

inner product=first^T*(matrix*second)

Conditions: none

Use the same parent inner product:matrix times second slot,then dot with first.Derived rational vectors still belong to R² and are not clipped to raw integer input bounds.

Step identifiers and dependencies

Rule: innernorm_original_slot_roles · Uses: G001, S047

S049 · calculation

Before

projection residual self-inner-product matrix term0,0 := mul(24, -5/9)

After

projection residual self-inner-product matrix term0,0 = -40/3

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S048

S050 · calculation

Before

projection residual self-inner-product matrix term0,1 := mul(1, 26/9)

After

projection residual self-inner-product matrix term0,1 = 26/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S049

S051 · calculation

Before

projection residual self-inner-product image coordinate0 := sum(-40/3, 26/9)

After

projection residual self-inner-product image coordinate0 = -94/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S050

S052 · calculation

Before

projection residual self-inner-product matrix term1,0 := mul(1, -5/9)

After

projection residual self-inner-product matrix term1,0 = -5/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S051

S053 · calculation

Before

projection residual self-inner-product matrix term1,1 := mul(2, 26/9)

After

projection residual self-inner-product matrix term1,1 = 52/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S052

S054 · calculation

Before

projection residual self-inner-product image coordinate1 := sum(-5/9, 52/9)

After

projection residual self-inner-product image coordinate1 = 47/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S053

S055 · calculation

Before

projection residual self-inner-product first-slot term0 := mul(-5/9, -94/9)

After

projection residual self-inner-product first-slot term0 = 470/81

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S054

S056 · calculation

Before

projection residual self-inner-product first-slot term1 := mul(26/9, 47/9)

After

projection residual self-inner-product first-slot term1 = 1222/81

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S055

S057 · calculation

Before

projection residual self-inner-product inner sum := sum(470/81, 1222/81)

After

projection residual self-inner-product inner sum = 188/9

Conditions: none

Compute exactly from original roles and established intermediates,retaining denominators,signs,indices and necessary guards.

Step identifiers and dependencies

Rule: exact_rational_arithmetic · Uses: G001, S056

S058 · implies

Before

yy=900>0;projection scalar=13/45;residual=[-5/9, 26/9];residual square=188/9

After

q=xx-xy^2/yy>=0;positive multiplication gives xy^2<=xx*yy

Conditions: none

Evaluate the nonnegative residual square in the same form and expand by symmetry/bilinearity to xx−xy²/yy.Multiplication by positive yy preserves inequality;retain the original signed xy.

Step identifiers and dependencies

Rule: Cauchy_Schwarz_projection_identity_same_inner_product · Uses: G001, S057

Reverse checks

  • S058 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S057 · premise_and_result_audit — Recompute projection residual self-inner-product inner sum with exact rational arithmetic, not rounded decimals.
  • S056 · premise_and_result_audit — Recompute projection residual self-inner-product first-slot term1 with exact rational arithmetic, not rounded decimals.
  • S055 · premise_and_result_audit — Recompute projection residual self-inner-product first-slot term0 with exact rational arithmetic, not rounded decimals.
  • S054 · premise_and_result_audit — Recompute projection residual self-inner-product image coordinate1 with exact rational arithmetic, not rounded decimals.
  • S053 · premise_and_result_audit — Recompute projection residual self-inner-product matrix term1,1 with exact rational arithmetic, not rounded decimals.
  • S052 · premise_and_result_audit — Recompute projection residual self-inner-product matrix term1,0 with exact rational arithmetic, not rounded decimals.
  • S051 · premise_and_result_audit — Recompute projection residual self-inner-product image coordinate0 with exact rational arithmetic, not rounded decimals.
  • S050 · premise_and_result_audit — Recompute projection residual self-inner-product matrix term0,1 with exact rational arithmetic, not rounded decimals.
  • S049 · premise_and_result_audit — Recompute projection residual self-inner-product matrix term0,0 with exact rational arithmetic, not rounded decimals.
  • S048 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S047 · premise_and_result_audit — Recompute projection residual coordinate1 with exact rational arithmetic, not rounded decimals.
  • S046 · premise_and_result_audit — Recompute projection scaled y coordinate1 with exact rational arithmetic, not rounded decimals.
  • S045 · premise_and_result_audit — Recompute projection residual coordinate0 with exact rational arithmetic, not rounded decimals.
  • S044 · premise_and_result_audit — Recompute projection scaled y coordinate0 with exact rational arithmetic, not rounded decimals.
  • S043 · premise_and_result_audit — Recompute Cauchy-Schwarz projection scalar with exact rational arithmetic, not rounded decimals.
  • S042 · premise_and_result_audit — Recompute Cauchy-Schwarz product of self-inner-products with exact rational arithmetic, not rounded decimals.
  • S041 · premise_and_result_audit — Recompute Cauchy-Schwarz signed inner squared with exact rational arithmetic, not rounded decimals.
  • S040 · premise_and_result_audit — Recompute ordered cross inner-product inner sum with exact rational arithmetic, not rounded decimals.
  • S039 · premise_and_result_audit — Recompute ordered cross inner-product first-slot term1 with exact rational arithmetic, not rounded decimals.
  • S038 · premise_and_result_audit — Recompute ordered cross inner-product first-slot term0 with exact rational arithmetic, not rounded decimals.
  • S037 · premise_and_result_audit — Recompute ordered cross inner-product image coordinate1 with exact rational arithmetic, not rounded decimals.
  • S036 · premise_and_result_audit — Recompute ordered cross inner-product matrix term1,1 with exact rational arithmetic, not rounded decimals.
  • S035 · premise_and_result_audit — Recompute ordered cross inner-product matrix term1,0 with exact rational arithmetic, not rounded decimals.
  • S034 · premise_and_result_audit — Recompute ordered cross inner-product image coordinate0 with exact rational arithmetic, not rounded decimals.
  • S033 · premise_and_result_audit — Recompute ordered cross inner-product matrix term0,1 with exact rational arithmetic, not rounded decimals.
  • S032 · premise_and_result_audit — Recompute ordered cross inner-product matrix term0,0 with exact rational arithmetic, not rounded decimals.
  • S031 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S030 · premise_and_result_audit — Recompute y self-inner-product inner sum with exact rational arithmetic, not rounded decimals.
  • S029 · premise_and_result_audit — Recompute y self-inner-product first-slot term1 with exact rational arithmetic, not rounded decimals.
  • S028 · premise_and_result_audit — Recompute y self-inner-product first-slot term0 with exact rational arithmetic, not rounded decimals.
  • S027 · premise_and_result_audit — Recompute y self-inner-product image coordinate1 with exact rational arithmetic, not rounded decimals.
  • S026 · premise_and_result_audit — Recompute y self-inner-product matrix term1,1 with exact rational arithmetic, not rounded decimals.
  • S025 · premise_and_result_audit — Recompute y self-inner-product matrix term1,0 with exact rational arithmetic, not rounded decimals.
  • S024 · premise_and_result_audit — Recompute y self-inner-product image coordinate0 with exact rational arithmetic, not rounded decimals.
  • S023 · premise_and_result_audit — Recompute y self-inner-product matrix term0,1 with exact rational arithmetic, not rounded decimals.
  • S022 · premise_and_result_audit — Recompute y self-inner-product matrix term0,0 with exact rational arithmetic, not rounded decimals.
  • S021 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S020 · premise_and_result_audit — Recompute x self-inner-product inner sum with exact rational arithmetic, not rounded decimals.
  • S019 · premise_and_result_audit — Recompute x self-inner-product first-slot term1 with exact rational arithmetic, not rounded decimals.
  • S018 · premise_and_result_audit — Recompute x self-inner-product first-slot term0 with exact rational arithmetic, not rounded decimals.
  • S017 · premise_and_result_audit — Recompute x self-inner-product image coordinate1 with exact rational arithmetic, not rounded decimals.
  • S016 · premise_and_result_audit — Recompute x self-inner-product matrix term1,1 with exact rational arithmetic, not rounded decimals.
  • S015 · premise_and_result_audit — Recompute x self-inner-product matrix term1,0 with exact rational arithmetic, not rounded decimals.
  • S014 · premise_and_result_audit — Recompute x self-inner-product image coordinate0 with exact rational arithmetic, not rounded decimals.
  • S013 · premise_and_result_audit — Recompute x self-inner-product matrix term0,1 with exact rational arithmetic, not rounded decimals.
  • S012 · premise_and_result_audit — Recompute x self-inner-product matrix term0,0 with exact rational arithmetic, not rounded decimals.
  • S011 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S010 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S009 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S008 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S007 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S006 · premise_and_result_audit — Recompute inner parent completed-square remainder with exact rational arithmetic, not rounded decimals.
  • S005 · premise_and_result_audit — Recompute inner parent completed-square slope with exact rational arithmetic, not rounded decimals.
  • S004 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S003 · premise_and_result_audit — Recompute inner parent determinant with exact rational arithmetic, not rounded decimals.
  • S002 · premise_and_result_audit — Recompute inner parent off-diagonal product with exact rational arithmetic, not rounded decimals.
  • S001 · premise_and_result_audit — Recompute inner parent diagonal product with exact rational arithmetic, not rounded decimals.

Result

(260, 96, 900, 67600, 86400, Yes, Cauchy_Schwarz_universal_certificate)

The full substitutions and premise checks give the original answer; source identity,format and status are unchanged.

This question review and source binding

Review date: 2026-10-26

Original questions, answers, step expressions, numeric ASTs and historical records are retained. Source candidate labels remain historical and are not overwritten as formal proof.

Source hashes and review receipts
  • input commit: 0f7be61e2c22317a4075561dc822c87d881a50db
  • original question SHA-256: bfe018e2f85fa45453c1a51c9a4b7de0a6a8c84d8f4a6418033c1cc6f34dfe1c
  • candidate record SHA-256: 9d575924e25ba80c7aa50b665ca71ee143f36628ef85a39f48963f429a6ca2ae
  • semantic review receipt SHA-256: bfea39236e49aa7e44aa18bfa0d7857ff34a6acb762d0599e20b0f5af0f209ae
  • question-first witness SHA-256: 61c433f5c1e55ed4d84d08557fb8c117d26bbd404fdf05519ad42c09324c36e0
  • Lean: NOT_RUN · human review: NOT_PERFORMED
Same-source full JSON