R0053-27278 · q-20261015-advance-20261118-r01-central-limit-theorem-finite-variance-iid-0028
Step-by-step derivation
S001 · implies
Before
source roles = [clt-standardized-sum-moments]
After
derived = [[n, sum_distribution, total_probability, sum_mean, sum_variance, n_times_mean, n_times_variance, standardized_mean, standardized_variance, standardization_description, finite_scope]]
Conditions: none
List the complete source field order and mode-specific roles without JavaScript or answer-shape inference;No,undefined and infinity retain their distinct meanings.
Step identifiers and dependencies
Rule: source_ordered_fields_without_JS · Uses: G001
S002 · implies
Before
source roles = [infinite_iid]
After
derived = [ASSUME infinite sequence is IID with this common marginal]
Conditions: none
infinite_iid is an explicit infinite-process premise token,not a construction or finite verification of infinite independence.Subsequent reasoning is conditional on that premise.
Step identifiers and dependencies
Rule: CLT_infinite_iid_is_EXACT_GIVEN_premise_not_constructed_process · Uses: G001, S001
S003 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL law mass sum0 := sum(0, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL law mass sum0 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S002
S004 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL law mass sum1 := sum(1/2, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL law mass sum1 = 1
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S003
S005 · implies
Before
source roles = [CLT ORIGINAL common marginal, [0, 1], [[1, 2], [1, 2]]]
After
derived = [[[0, 1/2], [1, 1/2]], 1]
Conditions: none
Pair ORIGINAL values/probabilities before numeric sorting,retaining zero-mass labels and checking total mass1.This qualifies a finite marginal,not an infinite IID process inferred from samples.
Step identifiers and dependencies
Rule: CLT_ORIGINAL_value_probability_pairs_NUMERIC_order_normalized · Uses: G001, S004
S006 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL value times probability0 := mul(0, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL value times probability0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S005
S007 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL ascending mean sum0 := sum(0, 0)
After
CLT ORIGINAL common marginal ORIGINAL ascending mean sum0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S006
S008 · calculation
Before
CLT ORIGINAL common marginal exact value square0 := mul(0, 0)
After
CLT ORIGINAL common marginal exact value square0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S007
S009 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL square times probability0 := mul(0, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL square times probability0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S008
S010 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL ascending second moment sum0 := sum(0, 0)
After
CLT ORIGINAL common marginal ORIGINAL ascending second moment sum0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S009
S011 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL value times probability1 := mul(1, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL value times probability1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S010
S012 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL ascending mean sum1 := sum(0, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL ascending mean sum1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S011
S013 · calculation
Before
CLT ORIGINAL common marginal exact value square1 := mul(1, 1)
After
CLT ORIGINAL common marginal exact value square1 = 1
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S012
S014 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL square times probability1 := mul(1, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL square times probability1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S013
S015 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL ascending second moment sum1 := sum(0, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL ascending second moment sum1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S014
S016 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL mean square := mul(1/2, 1/2)
After
CLT ORIGINAL common marginal ORIGINAL mean square = 1/4
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S015
S017 · calculation
Before
CLT ORIGINAL common marginal ORIGINAL second minus mean square := sub(1/2, 1/4)
After
CLT ORIGINAL common marginal ORIGINAL second minus mean square = 1/4
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S016
S018 · implies
Before
source roles = [CLT ORIGINAL common marginal, [[0, 1/2], [1, 1/2]]]
After
derived = [1/2, 1/2, 1/4]
Conditions: none
Use the SAME complete law for E[X],E[X²] and Var(X)=E[X²]-E[X]².Keep value² as an exact teaching intermediate and apply the source profile to its product with probability,not an extra rejection for a large zero-mass value square.Finite moments prove neither independence,an infinite process nor a distributional limit.
Step identifiers and dependencies
Rule: CLT_ALL_finite_marginal_moments_not_a_process_or_limit_proof · Uses: G001, S017
S019 · calculation
Before
CLT joint ORIGINAL word0 sum := sum(0)
After
CLT joint ORIGINAL word0 sum = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S018
S020 · calculation
Before
CLT joint ORIGINAL word0 probability factor0 := mul(1, 1/2)
After
CLT joint ORIGINAL word0 probability factor0 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S019
S021 · calculation
Before
CLT joint ORIGINAL sum0 bucket word0 := sum(0, 1/2)
After
CLT joint ORIGINAL sum0 bucket word0 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S020
S022 · implies
Before
source roles = [1, 0, [0], [1/2]]
After
derived = [0, 1/2, 0, 1/2]
Conditions: none
The declared IID premise gives each finite word the product of coordinate probabilities.Enumerate EVERY word in source order and add it to its actual sum fibre,retaining zero-mass words/buckets.Do not guess the distribution from samples or moments.
Step identifiers and dependencies
Rule: CLT_EVERY_joint_word_original_coordinate_products_AND_full_sum_fibre · Uses: G001, S021
S023 · calculation
Before
CLT joint ORIGINAL word1 sum := sum(1)
After
CLT joint ORIGINAL word1 sum = 1
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S022
S024 · calculation
Before
CLT joint ORIGINAL word1 probability factor0 := mul(1, 1/2)
After
CLT joint ORIGINAL word1 probability factor0 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S023
S025 · calculation
Before
CLT joint ORIGINAL sum1 bucket word1 := sum(0, 1/2)
After
CLT joint ORIGINAL sum1 bucket word1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S024
S026 · implies
Before
source roles = [1, 1, [1], [1/2]]
After
derived = [1, 1/2, 0, 1/2]
Conditions: none
The declared IID premise gives each finite word the product of coordinate probabilities.Enumerate EVERY word in source order and add it to its actual sum fibre,retaining zero-mass words/buckets.Do not guess the distribution from samples or moments.
Step identifiers and dependencies
Rule: CLT_EVERY_joint_word_original_coordinate_products_AND_full_sum_fibre · Uses: G001, S025
S027 · calculation
Before
CLT SUM ORIGINAL total distribution mass0 := sum(0, 1/2)
After
CLT SUM ORIGINAL total distribution mass0 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S026
S028 · calculation
Before
CLT SUM ORIGINAL total distribution mass1 := sum(1/2, 1/2)
After
CLT SUM ORIGINAL total distribution mass1 = 1
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S027
S029 · calculation
Before
CLT SUM ORIGINAL value times probability0 := mul(0, 1/2)
After
CLT SUM ORIGINAL value times probability0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S028
S030 · calculation
Before
CLT SUM ORIGINAL ascending mean sum0 := sum(0, 0)
After
CLT SUM ORIGINAL ascending mean sum0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S029
S031 · calculation
Before
CLT SUM exact value square0 := mul(0, 0)
After
CLT SUM exact value square0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S030
S032 · calculation
Before
CLT SUM ORIGINAL square times probability0 := mul(0, 1/2)
After
CLT SUM ORIGINAL square times probability0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S031
S033 · calculation
Before
CLT SUM ORIGINAL ascending second moment sum0 := sum(0, 0)
After
CLT SUM ORIGINAL ascending second moment sum0 = 0
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S032
S034 · calculation
Before
CLT SUM ORIGINAL value times probability1 := mul(1, 1/2)
After
CLT SUM ORIGINAL value times probability1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S033
S035 · calculation
Before
CLT SUM ORIGINAL ascending mean sum1 := sum(0, 1/2)
After
CLT SUM ORIGINAL ascending mean sum1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S034
S036 · calculation
Before
CLT SUM exact value square1 := mul(1, 1)
After
CLT SUM exact value square1 = 1
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S035
S037 · calculation
Before
CLT SUM ORIGINAL square times probability1 := mul(1, 1/2)
After
CLT SUM ORIGINAL square times probability1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S036
S038 · calculation
Before
CLT SUM ORIGINAL ascending second moment sum1 := sum(0, 1/2)
After
CLT SUM ORIGINAL ascending second moment sum1 = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S037
S039 · calculation
Before
CLT SUM ORIGINAL mean square := mul(1/2, 1/2)
After
CLT SUM ORIGINAL mean square = 1/4
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S038
S040 · calculation
Before
CLT SUM ORIGINAL second minus mean square := sub(1/2, 1/4)
After
CLT SUM ORIGINAL second minus mean square = 1/4
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S039
S041 · calculation
Before
CLT ORIGINAL n times common mean := mul(1, 1/2)
After
CLT ORIGINAL n times common mean = 1/2
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S040
S042 · calculation
Before
CLT ORIGINAL n times common variance := mul(1, 1/4)
After
CLT ORIGINAL n times common variance = 1/4
Conditions: none
Substitute original roles and established intermediates exactly;no approximation,slot substitution or internally consistent changed operand.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S041
S043 · implies
Before
source roles = [1, 1/2, 1/4, [(0, 1/2), (1, 1/2)], 1/2, 1/4]
After
derived = [1, 1/2, 1/4, 0, 1, Z_n=(S_n-n*mu)/(sigma*sqrt(n))]
Conditions: none
sigma²>0 and n>0 make the denominator nonzero.E[Z]=(nmu-nmu)/(sigma sqrt(n))=0 and Var(Z)=n sigma²/(sigma² n)=1.These exact moments belong to this complete FIXED-n law;they do not make it normal or prove the general CLT.
Step identifiers and dependencies
Rule: CLT_standardization_EXACT_0_1_moments_NOT_normality_or_limit · Uses: G001, S042