. . .

. . .

http://en.wikipedia.org/wiki/0_(number)

 

http://it.wikipedia.org/wiki/0_(numero)

[...] RECORDS SHOW THAT THE ANCIENT GREEKS SEEMED UNSURE ABOUT THE STATUS OF ZERO AS A NUMBER. THEY ASKED THEMSELVES:

 

"HOW CAN NOTHING BE SOMETHING?"

 

LEADING TO PHILOSOPHICAL AND, BY THE MEDIEVAL PERIOD, RELIGIOUS ARGUMENTS ABOUT THE NATURE AND EXISTENCE

OF ZERO AND THE VACUUM. THE PARADOXES OF ZENO OF ELEA

DEPEND IN LARGE PART ON THE UNCERTAIN INTERPRETATION

OF ZERO.