What are necessary beliefs according to al-ghazali?

According to Al-Ghazali, necessary beliefs are foundational convictions that underpin Islamic faith and practice. These include the belief in the oneness of God (Tawhid), the prophethood of Muhammad, the existence of angels, the divine scriptures, the Day of Judgment, and divine predestination. Al-Ghazali emphasized that these beliefs are essential for a true understanding of Islam and for achieving spiritual fulfillment. He argued that rational inquiry and personal experience should complement these beliefs to cultivate a deeper faith.