The biggest natural number is 1. It holds 1 is equal to -1. It holds 12 is equal to zero. It holds 2 is equal to zero.
Every triangle is isosceles.
The biggest natural number is 1. Suppose a number M be the biggest natural number. Then comparing two numbers MxM and M, MxM must be greater than M if M is not 1. It holds 1 is equal to -1. It holds 12 is equal to zero.