{
  "author": "Maclain Hunter",
  "title": "MCB Decidability",
  "identifier": "formal-mcb-decidability",
  "sourceKind": "formal-theorem",
  "content": "Formal statement: ∀n ∈ ℤ: (-1)^n ∈ {+1, -1}\n\nProof: By case analysis on parity of n",
  "formal": "∀n ∈ ℤ: (-1)^n ∈ {+1, -1}",
  "structuredAuthoredProof": "By case analysis on parity of n",
  "authoredSteps": null,
  "recordedAt": null,
  "originalAuthoredAt": null,
  "propositionMeaningBoundary": "Atomic identifiers retain their meanings in the exact source. No arbitrary truth assignment establishes an ontological or empirical premise; the formal witness checks the written inference."
}