Medieval Christian scholars believed it was possible to determine the overall time of human history, starting with Adam, by counting forward how long each generation had lived up to the time of Jesus, based on the ages recorded in the Bible.
It was possible to determine the overall time of human history by. This was starting with Adam. This was what medieval Christian scholars believed. How long each generation had lived up to the time of Jesus recorded in the Bible. This was based on the ages. This was what it was counting forward. This was what medieval Christian scholars believed.