The term "Induction" was first used in the phrase "per modum inductionis" by John Wallis in 1656 to prove that the limit of the ratio of the sum of the first m² to m³ + m² was 1/3. pic.twitter.com/socDC0sZYD
— Fermat's Library (@fermatslibrary) September 7, 2020
I'm pretty sure most historians credit Pascal for the first proof by induction on his treaty about the triangle.
— Vincent Pantal🍩ni (@panlepan) September 7, 2020