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  "slug": "finance/fire-math-reverse-derivation",
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  "title": "FIRE 数学逆算フレームワーク",
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    "title": "FIRE 数学逆算フレームワーク",
    "aliases": [],
    "domain": "finance",
    "type": "wiki",
    "created": "2026-04-20",
    "last_updated": "2026-05-26",
    "last_tended": "2026-05-26",
    "review_by": "2026-10-30",
    "confidence": "certain",
    "tags": [
      "fire",
      "personal-finance",
      "retirement",
      "safe-withdrawal-rate"
    ],
    "status": "confirmed",
    "canonical_anchor": null,
    "related": [],
    "note": null,
    "sources": [
      "Cooley, Hubbard, and Walz, 1998 Trinity Study on retirement spending.",
      "William Bengen, public safe-withdrawal-rate research.",
      "Public FIRE community materials on withdrawal-rate arithmetic."
    ]
  },
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    "FIRE 数学逆算フレームワーク",
    "Wiki route",
    "中核命題",
    "標準パラメータ",
    "4ステップの逆算フロー",
    "数学検証式",
    "ギャップ分析",
    "「単純な貯金」モデルとの本質的違い",
    "安全マージン意識",
    "適用境界"
  ],
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    "last_modified": "2026-05-26"
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