Medieval Christians largely missed the shared-prophet premise of Islamic theology

Evidence

For the most part the idea that Islam is one single Revelation made to all Prophets was not known, or else misunderstood, or else understood and neglected. Yet Gregory VII had so much earlier told a Muslim king that he prayed that ‘God bring you to the bosom of blessedness of the most holy patriarch Abraham’; was this a conscious effort to communicate with Islam at that point where the two religions most naturally meet? The subject oftered jimited scope for controversial writing. — Norman Daniel, Islam and the West, 167

Categorization

• XREF: Complicates the vault’s Islam-construction thesis: Islam was not always constructed as pure exteriority — here is a medieval attempt to locate a shared Abrahamic meeting-point that Western polemic failed to exploit.