What were the key ideas of John of Jandun?

What were the key ideas of John of Jandun?

John of Jandun was a medieval philosopher who held several key ideas. One of his main ideas was the rejection of the immortality of the soul. He argued that the soul is mortal and dies with the body, contrary to the prevailing belief in the immortality of the soul during that time. Another important idea of John of Jandun was his criticism of the Aristotelian concept of the prime mover. He believed that the prime mover was unnecessary and that the universe could exist without it. Additionally, John of Jandun advocated for the separation of church and state, emphasizing the importance of secular authority in governing society. These were some of the key ideas of John of Jandun in medieval philosophy.