“Two Kinds” of Zero: Same But Not The Same?
I recently got into a protracted discussion in which the other person insisted that the fact that the character 0 is used in place value notation is merely a pl...
Month: November 2014
Euclid’s proof of infinite primes
It has been known since at least Euclid’s time that there are an infinite number of prime numbers. Here is his basic proof: Imagine that there is a finite...