Algebra I Review of Natural Numbers, Whole Numbers, Integers
... He was a Pythagorean, and the discovery was considered a
problem since Pythagoreans believed that "All was Number," by
which they meant the natural numbers (1, 2, 3...) and their ratios.
Hippasus was trying to find the length of the diagonal of a square
with sides of length 1. Instead, he proved, th ...