وَقَضَى رَبُّكَ أَلَّا تَعْبُدُوا إِلَّا إِيَّاهُ. (al-Isrāʾ 17:23)
Your Lord has decreed that you worship none except Him.
Allā taʿbudū illā iyyāh reserves worship exclusively for Allah; worship of another is thereby excluded.
The command to worship Allah and the prohibition of worshipping others together express tawḥīd in worship.
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Allah’s Oneness and the Three Aspects of Tawḥīd
وَقَضَى رَبُّكَ أَلَّا تَعْبُدُوا إِلَّا إِيَّاهُ. (al-Isrāʾ 17:23)
Your Lord has decreed that you worship none except Him.
Allā taʿbudū illā iyyāh reserves worship exclusively for Allah; worship of another is thereby excluded.
The command to worship Allah and the prohibition of worshipping others together express tawḥīd in worship.