The Proslogion (Latin for Address or Discourse; the title was chosen because it is written in the form of a prayer addressed to God) is a book written by the medieval theologian St. Anselm of Canterbury (c. 1033-1109). It is of great significance in the history of philosophy, mainly because of the proof of God's existence that Anselm gives in Chapters Two and Three of the work.
This is a companion discussion topic for the original content at https://www.worldhistory.org/article/2068/anselms-proslogion/.