{
 "id": "source/tdv-battani-muftuoglu",
 "class": "source",
 "slug": "tdv-battani-muftuoglu",
 "label": {
  "ar": "البتاني — فَرّوح مفتي أوغلو، موسوعة الإسلام",
  "en": "Battani — Ferruh Müftüoğlu, TDV",
  "ur": "بتانی — فروح مفتی اوغلو، ٹی ڈی وی"
 },
 "summary": {
  "ar": "سيرة تعرض أبواب الزيج ومنها حساب المثلثات واستعمال الجداول، وانتقال الكتاب إلى قراء لاحقين.",
  "en": "Biography outlining the Zij's trigonometry, table-use chapters and later transmission.",
  "ur": "سوانح جس میں زیج کی مثلثیات، جدولوں کے استعمال کے ابواب اور بعد کا انتقال بیان ہے۔"
 },
 "stub": false,
 "wings": [],
 "regions": [],
 "periods": [],
 "tags": [],
 "aliases": [],
 "themes": [],
 "data": {
  "kind": "secondary",
  "type": "article",
  "title": "BETTÂNÎ",
  "author": [
   {
    "family": "Müftüoğlu",
    "given": "Ferruh"
   }
  ],
  "publisher": "TDV İslâm Ansiklopedisi, Istanbul, vol6, pp9–10",
  "issued": {
   "date-parts": [
    [
     1992
    ]
   ]
  },
  "language": "tr",
  "URL": "https://islamansiklopedisi.org.tr/bettani",
  "open_access": true,
  "reliability_note": "Actual byline, edition metadata and selected biography/Kitab al-Zij sections read2026-11-06. Chapter3 mathematical functions, chapters33–48 table use,57-chapter structure and317/929 death pair verified. Do not equate catalogue epoch, observation dates or death with a precise composition day. Spanish-translation century is inconsistent with Alfonso X, and translation dates differ from MacTutor; no exact dates adopted from these passages. No first-sine/first-interpolation claim. Not the whole bibliography.",
  "status": {
   "review": "published",
   "completeness": 2,
   "generated_by": "Copilot SDK in VS Code"
  },
  "provenance": {
   "generated_by": "Copilot SDK in VS Code",
   "model": "unknown",
   "run": "inventions-p3-b29",
   "source": "Actual authored encyclopaedia entry, selected relevant passages and metadata"
  }
 },
 "prose": {},
 "degree": 0,
 "contemporaries": [],
 "updated": "2026-11-05",
 "connections": [],
 "related": [],
 "license": {
  "prose": "CC BY-SA 4.0",
  "data": "CC0 1.0"
 }
}