In Boolean algebra, it is the result when the operation "or" is used with it and any element, and it functions as the identity of the "and" operation.
In Boolean algebra, it is the result when the operation "or" is used with it and any element, and it functions as the identity of the "and" operation. It is the only odd output of Euler's totient function, the amount of numbers less than a given one relatively prime to the given number, and it is the only positive number with the same representation in all base systems. Neither prime nor composite, FTP, give this smallest positive integer that functions as the multiplicative identity.          |
In Boolean algebra, it is the result when the operation "or" is used with it and any element, and it functions as the identity of the "and" operation.
{One}