Nicomachus Quote

Every number is at once half the sum of the two on either side of itself...


Nicomachus of Gerasa: Introduction to Arithmetic (1926)


Every number is at once half the sum of the two on either side of itself...

Every number is at once half the sum of the two on either side of itself...

Every number is at once half the sum of the two on either side of itself...

Every number is at once half the sum of the two on either side of itself...