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Question 6110: Euclidean Integer Quotient and Remainder

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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R0011-06110 · q-20261009-advance-20261013-r02-integer-0010

Original question and givens

Integer a=-10, positive b=6. Give (q,r) with a=bq+r and 0≤r<b, not a negative remainder from truncation toward zero.

  • G001 — Integer a=-10, positive b=6. Give (q,r) with a=bq+r and 0≤r<b, not a negative remainder from truncation toward zero.

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 · implies

Before

declared exact integer or rational-representation protocol

After

retain signs,ordered operands and original index order

Conditions: none

Check these finite data with exact integer arithmetic,without floating approximations or a claim to prove all integer-ring axioms.

Step identifiers and dependencies

Rule: integer_arithmetic_scope · Uses: G001

S002 · implies

Before

divide a=-10 by positive b=6

After

-10=-2·6+2

Conditions: none

The quotient and remainder satisfy the integer identity and0≤r<b;negative dividends still do not use a negative truncated remainder.

Step identifiers and dependencies

Rule: euclidean_division_witness · Uses: G001, S001

S003 · implies

Before

0≤2<6;a=bq+r

After

unique pair(q,r)=(-2,2)

Conditions: none

The difference of two legal remainders has absolute value below b but is an integer multiple of b,so it is0 and the quotient-remainder pair is unique.

Step identifiers and dependencies

Rule: bounded_euclidean_remainder_uniqueness · Uses: G001, S002

Reverse checks

  • S003 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S002 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.
  • S001 · premise_and_result_audit — Check against the original data and this step's premises; a one-way implication is not an equivalence.

Result

(-2, 2)

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: 8c3374fd95a5cb8c70b0c4e19944a2d23a409d51c3609a434fe62fc77d21297e
  • candidate record SHA-256: ef23c0aefecd3fbe716e539e37ff9f6e9ad70cfc639a04ec9a65d6b31cadd08e
  • semantic review receipt SHA-256: b9bbc1c947f477a9c4bb5a579368ac5265f2da4572ce612c30f3633ecaf4ae80
  • question-first witness SHA-256: 93f720df3ab3af13a792a3e6b443728e3c2a56276df839911f36569333236c55
  • Lean: NOT_RUN · human review: NOT_PERFORMED
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