Muslim scholars invented decimal fractions, trigonometry, and the basis for Copernicus.

Evidence

Many people might be further surprised to learn that it was Muslim scholars who invented decimal fractions and trigonometry adapted for modern astronomy and cartography today. It was these mathematical models of the heavens that came from Islamic observatories, which fueled Copernicus’s discoveries. And Avicenna’s tenth-century Canon of Medicine became the central basis of Western medical study for the next seven hundred years. — Arsalan Iftikhar, Fear of a Muslim Planet_ Global…, 804

Categorization

  • XREF: Connects to the shared-roots/interdependence thread that counters clash-of-civilizations theorists like Huntington and Kumar. — connects to: Muslim scholars’ work paved the way for the European Renaissance. — Deepa Kumar, Islamophobia and the Politics of Empire, 56; European science built directly on Muslim scholarship and Copernicus drew on Arabic sources — Deepa Kumar, Islamophobia and the Politics of…, 340
  • corroborated: 2 independent passages support this claim — Arsalan Iftikhar, Fear of a Muslim Planet_ Global…, 804

Broader Connections