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  "id": "tegmark-mathematical-universe",
  "title": "Our Mathematical Universe: My Quest for the Ultimate Nature of Reality",
  "description": {
    "en": "Max Tegmark's 2014 Knopf work articulating the four-level multiverse hierarchy and the mathematical-universe hypothesis — a principal contemporary multiverse framework the corpus engages comparatively with the Cosmic Chain."
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  "authored_by": [
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  "topics": [
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    "Multiverse",
    "Tegmark",
    "Reality"
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  "source_type": "academic_monograph",
  "publish_date": "2014",
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