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      "prov:label": "The purchasing power of the US dollar has declined by more than 90% since the Federal Reserve was established in 1913.",
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      "prov:type": "pe:EmpiricalEvidence",
      "prov:label": "Source A CPI: 1913 annual avg = 9.883, 2024 annual avg = 313.689 (BLS via rateinflation.com)",
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      "prov:type": "pe:EmpiricalEvidence",
      "prov:label": "Federal Reserve Act signed December 23, 1913 (Wikipedia)",
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      "pe:evidenceType": "empirical",
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      "prov:type": "pe:EmpiricalEvidence",
      "prov:label": "Federal Reserve Act signed December 23, 1913 (US Senate)",
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      "pe:evidenceType": "empirical",
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      "prov:label": "Purchasing power decline computed from Source A CPI values",
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