Original question and givens
Use complete theta labels=[a18, b18], samples=[180, 181, 182, 183], aligned exact probability rows=[[[2, 5], [1, 10], [2, 5], [1, 10]], [[1, 10], [2, 5], [1, 10], [2, 5]]] and total statistic=[0, 1, 0, 1]. Each theta law is normalized. Fibers partition the full sample carrier, retaining zero-mass cells. Give (fiber_invariance_rows, sufficient, certificate).
G001 — Use complete theta labels=[a18, b18], samples=[180, 181, 182, 183], aligned exact probability rows=[[[2, 5], [1, 10], [2, 5], [1, 10]], [[1, 10], [2, 5], [1, 10], [2, 5]]] and total statistic=[0, 1, 0, 1]. Each theta law is normalized. Fibers partition the full sample carrier, retaining zero-mass cells. Give (fiber_invariance_rows, sufficient, certificate).
Step-by-step derivation
S001 · implies
Before
Θ=[a18, b18]; Ω=[180, 181, 182, 183]
After
[[2/5, 1/10, 2/5, 1/10], [1/10, 2/5, 1/10, 2/5]]
Conditions: none
Each row is one parameter law and each column an outcome; reorder probabilities together with labels.
Step identifiers and dependencies
Rule: full_parametric_model · Uses: G001
S002 · calculation
Before
P_a18(Ω) := sum(2/5, 1/10, 2/5, 1/10)
After
P_a18(Ω) = 1
Conditions: none
Check this law's complete total mass first.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S001
S003 · calculation
Before
P_b18(Ω) := sum(1/10, 2/5, 1/10, 2/5)
After
P_b18(Ω) = 1
Conditions: none
Check this law's complete total mass first.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S002
S004 · implies
Before
sample=180
After
T(180)=0
Conditions: none
Every sample has exactly one statistic value.
Step identifiers and dependencies
Rule: total_statistic_map · Uses: G001, S003
S005 · implies
Before
sample=181
After
T(181)=1
Conditions: none
Every sample has exactly one statistic value.
Step identifiers and dependencies
Rule: total_statistic_map · Uses: G001, S004
S006 · implies
Before
sample=182
After
T(182)=0
Conditions: none
Every sample has exactly one statistic value.
Step identifiers and dependencies
Rule: total_statistic_map · Uses: G001, S005
S007 · implies
Before
sample=183
After
T(183)=1
Conditions: none
Every sample has exactly one statistic value.
Step identifiers and dependencies
Rule: total_statistic_map · Uses: G001, S006
S008 · implies
Before
[(180, 0), (181, 1), (182, 0), (183, 1)]
After
fibers=[[0, [180, 182]], [1, [181, 183]]]
Conditions: none
Grouping by value produces disjoint fibers whose union is the complete carrier.
Step identifiers and dependencies
Rule: fiber_partition · Uses: G001, S007
S009 · calculation
Before
P_a18(T=0) := sum(2/5, 2/5)
After
P_a18(T=0) = 4/5
Conditions: none
First compute the conditioning event's full mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S008
S010 · calculation
Before
P_a18(180|T=0) := div(2/5, 4/5)
After
P_a18(180|T=0) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S009
S011 · calculation
Before
reconstruct atom 180 under a18 := mul(1/2, 4/5)
After
reconstruct atom 180 under a18 = 2/5
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S010
S012 · calculation
Before
P_a18(182|T=0) := div(2/5, 4/5)
After
P_a18(182|T=0) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S011
S013 · calculation
Before
reconstruct atom 182 under a18 := mul(1/2, 4/5)
After
reconstruct atom 182 under a18 = 2/5
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S012
S014 · calculation
Before
conditional total (a18,0) := sum(1/2, 1/2)
After
conditional total (a18,0) = 1
Conditions: none
The complete conditional law must have total mass1.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S013
S015 · calculation
Before
P_a18(T=1) := sum(1/10, 1/10)
After
P_a18(T=1) = 1/5
Conditions: none
First compute the conditioning event's full mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S014
S016 · calculation
Before
P_a18(181|T=1) := div(1/10, 1/5)
After
P_a18(181|T=1) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S015
S017 · calculation
Before
reconstruct atom 181 under a18 := mul(1/2, 1/5)
After
reconstruct atom 181 under a18 = 1/10
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S016
S018 · calculation
Before
P_a18(183|T=1) := div(1/10, 1/5)
After
P_a18(183|T=1) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S017
S019 · calculation
Before
reconstruct atom 183 under a18 := mul(1/2, 1/5)
After
reconstruct atom 183 under a18 = 1/10
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S018
S020 · calculation
Before
conditional total (a18,1) := sum(1/2, 1/2)
After
conditional total (a18,1) = 1
Conditions: none
The complete conditional law must have total mass1.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S019
S021 · calculation
Before
P_b18(T=0) := sum(1/10, 1/10)
After
P_b18(T=0) = 1/5
Conditions: none
First compute the conditioning event's full mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S020
S022 · calculation
Before
P_b18(180|T=0) := div(1/10, 1/5)
After
P_b18(180|T=0) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S021
S023 · calculation
Before
reconstruct atom 180 under b18 := mul(1/2, 1/5)
After
reconstruct atom 180 under b18 = 1/10
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S022
S024 · calculation
Before
P_b18(182|T=0) := div(1/10, 1/5)
After
P_b18(182|T=0) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S023
S025 · calculation
Before
reconstruct atom 182 under b18 := mul(1/2, 1/5)
After
reconstruct atom 182 under b18 = 1/10
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S024
S026 · calculation
Before
conditional total (b18,0) := sum(1/2, 1/2)
After
conditional total (b18,0) = 1
Conditions: none
The complete conditional law must have total mass1.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S025
S027 · calculation
Before
P_b18(T=1) := sum(2/5, 2/5)
After
P_b18(T=1) = 4/5
Conditions: none
First compute the conditioning event's full mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S026
S028 · calculation
Before
P_b18(181|T=1) := div(2/5, 4/5)
After
P_b18(181|T=1) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S027
S029 · calculation
Before
reconstruct atom 181 under b18 := mul(1/2, 4/5)
After
reconstruct atom 181 under b18 = 2/5
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S028
S030 · calculation
Before
P_b18(183|T=1) := div(2/5, 4/5)
After
P_b18(183|T=1) = 1/2
Conditions: none
Divide the same law's atom mass by its positive fiber mass.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S029
S031 · calculation
Before
reconstruct atom 183 under b18 := mul(1/2, 4/5)
After
reconstruct atom 183 under b18 = 2/5
Conditions: none
Multiply by fiber mass to check the original atom probability.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S030
S032 · calculation
Before
conditional total (b18,1) := sum(1/2, 1/2)
After
conditional total (b18,1) = 1
Conditions: none
The complete conditional law must have total mass1.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S031
S033 · implies
Before
valid positive-mass laws for T=0: [[a18, [[180, 1/2], [182, 1/2]]], [b18, [[180, 1/2], [182, 1/2]]]]
After
parameter-invariant: Yes
Conditions: none
Compare full defined conditional laws; parameter invariance requires every sample probability to agree.
Step identifiers and dependencies
Rule: conditional_law_comparison · Uses: G001, S032
S034 · implies
Before
valid positive-mass laws for T=1: [[a18, [[181, 1/2], [183, 1/2]]], [b18, [[181, 1/2], [183, 1/2]]]]
After
parameter-invariant: Yes
Conditions: none
Compare full defined conditional laws; parameter invariance requires every sample probability to agree.
Step identifiers and dependencies
Rule: conditional_law_comparison · Uses: G001, S033
S035 · implies
Before
[[0, [[a18, [[180, 1/2], [182, 1/2]]], [b18, [[180, 1/2], [182, 1/2]]]], Yes], [1, [[a18, [[181, 1/2], [183, 1/2]]], [b18, [[181, 1/2], [183, 1/2]]]], Yes]]
After
all fibers invariant: Yes
Conditions: none
Sufficiency under this finite contract requires every fiber to pass, not just one.
Step identifiers and dependencies
Rule: finite_sufficiency_definition · Uses: G001, S034
Result
([[0, [[a18, [[180, 1/2], [182, 1/2]]], [b18, [[180, 1/2], [182, 1/2]]]], Yes], [1, [[a18, [[181, 1/2], [183, 1/2]]], [b18, [[181, 1/2], [183, 1/2]]]], Yes]], Yes, conditional_law_must_be_theta_independent_on_every_positive_mass_cell)
The full substitutions and premise audits recover the original answer, retaining its field order and verdict meanings.