Shah Waliullah Dehlawi's most comprehensive and influential work on Islamic philosophy and theology, which attempts to reconcile differences between various schools of thought, is titled:

Explanation

Hujjat Allah al-Baligha (The Conclusive Argument from God) is considered Shah Waliullah's magnum opus. In it, he systematically presents the rationale behind Islamic laws and beliefs, attempting to bridge gaps between different jurisprudential and theological schools.