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Question 27402: Zero, Composite Bases, Negative Inputs and Cancellation Need Distinct Conventions

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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← Question derivation index · Original question batch

R0053-27402 · q-20261015-advance-20261118-r05-p-adic-valuation-integers-0077

Original question and givens

Use mode=nonprime_base, base p=6, integer a=2. Give (mode, base, integer_a, p_adic_valuation_qualification, boundary).

  • G001 — Use mode=nonprime_base, base p=6, integer a=2. Give (mode, base, integer_a, p_adic_valuation_qualification, boundary).

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

source roles = [pval-boundary]

After

derived = [[mode, base, integer_a, p_adic_valuation_qualification, boundary]]

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 = [nonprime_base, 6, 2]

After

derived = [No]

Conditions: none

This branch says the base is composite.It does not call prime-base valuation or declare a invalid.

Step identifiers and dependencies

Rule: Valuation_composite_base_NO_prime_valuation_qualification · Uses: G001, S001

Reverse checks

  • S002 · premise_and_result_audit — Reverse-check the complete original data,step operands and premises;finite checks,conditional named-theorem use and general formal proof remain distinct.
  • S001 · premise_and_result_audit — Reverse-check the complete original data,step operands and premises;finite checks,conditional named-theorem use and general formal proof remain distinct.

Result

(nonprime_base, 6, 2, No, not_called_p_adic_valuation)

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: 11f3a8e37a5ff6983080bf2a39aea35c7d5d5a194d434d1df6a0d06d48132fe2
  • candidate record SHA-256: 6fd3bb139778996313b4b57c490d26d5b97a671d080f3fcf79db9a5a9247d26a
  • semantic review receipt SHA-256: 1b7a62514347b82518305d5feb4369a52d7d44c442a0f2b131e9eb3cd7b45f62
  • question-first witness SHA-256: 79dc2a1077081f3ea2a03f75e32778163bf05e814cdf4c29ed86e567295f9ee1
  • Lean: NOT_RUN · human review: NOT_PERFORMED
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