لَوْ كَانَ فِيهِمَا آلِهَةٌ إِلَّا اللَّهُ لَفَسَدَتَا
Had there been other deities in the heavens and earth besides God, both would have fallen into disorder.
The conditional reasoning establishes a conclusion from a counterfactual premise and helps illustrate al-madhhab al-kalāmī. In ḥusn al-taʿlīl, by contrast, a rhetorically attractive, often imaginative cause is proposed for a feature or event.
The first emphasizes argumentative necessity; the second the expressive value of an unexpected explanation. Merely locating the word “because” does not distinguish them.