1 2 3 4 5 6 7 8 9 10
(a) -> (b) # the witness generator will always return the # lower root # radix = √ # square (2) root b = (2*one) radix (1*a) # b is the square root of a 0 = (1*b) * (1*b) - (1*a) # assert that a = b*b