Words, Numbers and God

An introduction to number systems and the idea of numbers.
The Real Numbers
N = Natural numbers ={1, 2, 3, 4, 5...}
N = Whole numbers ={0,1, 2, 3, 4, 5...}
Z = Integers ={...-5, -4, -3, -2, -1, 0,1, 2, 3, 4, 5...}
Q = Rational numbers = {q/p such that q and p are integers and p≠0}
not Q = Irrational numbers ={cannot be written as q/p such that q and p are integers and p≠0}
Examples: π= 3.1415926535...., √a where a is a positive prime number