Christian polemicists derived universal Muslim depravity from one Spanish legal school

Evidence

Unnatural intercourse of spouses was the special subject of mediaeval attack, based on siirah 11.223, interpreted, according to the custom, in the sense desired by Christian criticism, not that usual in Islam. The source of the assertion must certainly be Spain, where Maliki law, which seems to have permitted what was forbidden elsewhere by the other Islamic schools of law (madhahib), obtained. — Norman Daniel, Islam and the West, 783

Categorization

• XREF: Shows a single regional practice generalizing into a universalized Islam — the synecdoche mechanism by which the West builds its Islam.