Medieval theologians cited the Qur’an as implicit proof of the Trinity

Evidence

It was held that the Qur’an itself admitted the truth of the Trinity. Oliver of Paderborn sought ground common to the two religions in terms like ‘breath of God’. — Norman Daniel, Islam and the West, 997

Categorization

• SHARE: A medieval-Christian reading of the Qur’an as covert Trinitarian testimony is a niche delight for anyone into cross-religious polemic.
• XREF: Connects to the ‘Grafting & Growth’ piece in its spirit — finding common ground where none obviously exists. — connects to: Medieval Christians read Quranic verses as proving scripture’s incorruptibility; Muslims rejected the Trinity as polytheism and carnal generation