R0047-24154 · q-20261015-advance-20261113-r04-euler-criterion-quadratic-residue-0029
Step-by-step derivation
S001 · implies
Before
source roles = [eulercrit-independent-comparison]
After
derived = [[prime, normalized_class, nonzero_roots, Legendre_symbol, modular_power, signed_power, equal, certificate]]
Conditions: none
List the source field order without JavaScript.Gradient boundary uses its original mode to choose6,8 or7 fields;no padding or answer-derived mode.
Step identifiers and dependencies
Rule: source_ordered_fields_without_JS · Uses: G001
S002 · implies
Before
source roles = [11]
After
derived = [[[2, 1], [3, 2]], Yes]
Conditions: none
A composite has a factor at most its square root;complete trial division qualifies the modulus,not a guessed square/Euler equality.
Step identifiers and dependencies
Rule: Euler_modulus_primality_complete_trial · Uses: G001, S001
S003 · calculation
Before
Euler ORIGINAL signed quotient times modulus := mul(0, 11)
After
Euler ORIGINAL signed quotient times modulus = 0
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S002
S004 · calculation
Before
Euler ORIGINAL signed a minus modulus multiple := sub(4, 0)
After
Euler ORIGINAL signed a minus modulus multiple = 4
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S003
S005 · implies
Before
source roles = [4, 11, 0]
After
derived = [4, Yes]
Conditions: none
Use a=qp+r with0<=r<p,including negative a;retain original a where the interface requests it.
Step identifiers and dependencies
Rule: Euler_Euclidean_class_before_hypothesis · Uses: G001, S004
S006 · implies
Before
source roles = [11, 4, 4]
After
derived = [Yes, Yes]
Conditions: none
Qualify odd primality and the nonzero class first.Define Legendre by the square table before comparing a power.
Step identifiers and dependencies
Rule: Euler_odd_prime_nonzero_qualified · Uses: G001, S005
S007 · calculation
Before
Euler square root candidate1 := mul(1, 1)
After
Euler square root candidate1 = 1
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S006
S008 · calculation
Before
Euler square root candidate2 := mul(2, 2)
After
Euler square root candidate2 = 4
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S007
S009 · calculation
Before
Euler square root candidate3 := mul(3, 3)
After
Euler square root candidate3 = 9
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S008
S010 · calculation
Before
Euler square root candidate4 := mul(4, 4)
After
Euler square root candidate4 = 16
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S009
S011 · calculation
Before
Euler square root candidate5 := mul(5, 5)
After
Euler square root candidate5 = 25
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S010
S012 · calculation
Before
Euler square root candidate6 := mul(6, 6)
After
Euler square root candidate6 = 36
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S011
S013 · calculation
Before
Euler square root candidate7 := mul(7, 7)
After
Euler square root candidate7 = 49
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S012
S014 · calculation
Before
Euler square root candidate8 := mul(8, 8)
After
Euler square root candidate8 = 64
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S013
S015 · calculation
Before
Euler square root candidate9 := mul(9, 9)
After
Euler square root candidate9 = 81
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S014
S016 · calculation
Before
Euler square root candidate10 := mul(10, 10)
After
Euler square root candidate10 = 100
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S015
S017 · implies
Before
source roles = [11, 4]
After
derived = [[[1, 1], [2, 4], [3, 9], [4, 5], [5, 3], [6, 3], [7, 5], [8, 9], [9, 4], [10, 1]], [2, 9], 1]
Conditions: none
Enumerate every nonzero square;roots give+1 and complete absence gives−1.This route does not use Euler criterion to compute Legendre.
Step identifiers and dependencies
Rule: Euler_ALL_nonzero_square_table_defines_Legendre · Uses: G001, S016
S018 · calculation
Before
Euler binary power accumulate0 := mul(1, 4)
After
Euler binary power accumulate0 = 4
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S017
S019 · calculation
Before
Euler binary power square0 := mul(4, 4)
After
Euler binary power square0 = 16
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S018
S020 · implies
Before
source roles = [0, [1, 4, 5], 11, 4, 5]
After
derived = [4, 16, 4, 5, 2]
Conditions: none
Maintain acc*base^remaining congruent to the original half-power:accumulate an odd bit,square the base,and halve the exponent to0.This is separate from the square-table calculation.
Step identifiers and dependencies
Rule: Euler_repeated_squaring_original_exponent_invariant · Uses: G001, S019
S021 · calculation
Before
Euler binary power square1 := mul(5, 5)
After
Euler binary power square1 = 25
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S020
S022 · implies
Before
source roles = [1, [4, 5, 2], 11, 4, 5]
After
derived = [null, 25, 4, 3, 1]
Conditions: none
Maintain acc*base^remaining congruent to the original half-power:accumulate an odd bit,square the base,and halve the exponent to0.This is separate from the square-table calculation.
Step identifiers and dependencies
Rule: Euler_repeated_squaring_original_exponent_invariant · Uses: G001, S021
S023 · calculation
Before
Euler binary power accumulate2 := mul(4, 3)
After
Euler binary power accumulate2 = 12
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S022
S024 · calculation
Before
Euler binary power square2 := mul(3, 3)
After
Euler binary power square2 = 9
Conditions: none
Substitute original roles and established intermediates exactly;check nonzero denominators and do not round.
Step identifiers and dependencies
Rule: exact_rational_arithmetic · Uses: G001, S023
S025 · implies
Before
source roles = [2, [4, 3, 1], 11, 4, 5]
After
derived = [12, 9, 1, 9, 0]
Conditions: none
Maintain acc*base^remaining congruent to the original half-power:accumulate an odd bit,square the base,and halve the exponent to0.This is separate from the square-table calculation.
Step identifiers and dependencies
Rule: Euler_repeated_squaring_original_exponent_invariant · Uses: G001, S024
S026 · implies
Before
source roles = [11, [2, 9], 1, 1]
After
derived = [1, Yes, one finite instance is not a general theorem proof]
Conditions: none
p−1 represents−1 modulo p,not integer equality.Compare the two computations for this instance;one finite table is not a general theorem proof.
Step identifiers and dependencies
Rule: Euler_decode_p_minus1_and_instance_only_comparison · Uses: G001, S025