Before revision: History of the concept The term "compound", with a meaning similar to the modern, has been in use since at least 1726 , when the English minister and logician Isaac Watts used in his Logick.
After revision: History of the concept The term "compound", with a meaning similar to the modern, has been in use since at least 1724 , when the English minister and logician Isaac Watts used in his Logick.