The first step towards conquering the number
was recognition
of correspondence
biunivoca: 1 pecora... 1 pecora
2 pebbles...2 sheep
THE ORIGINS OF MATHEMATICS (30,000 BCE)
Floor 1Count with body, bones, woods, ropes, stones
“It took thousands of years to move from quantity to number.
The idea of number, which seems so obvious, is the point of arrival of a very long abstraction work”
Other progress was: principle of recurrence
(dispose objects in succession)
1, 1+1, 1+1+1, 1+1+1+1
- ordinal and cardinal number
- invention of the base
- invention of figures
The use of fire, the development of agriculture, urban and technological progress, the invention of writing and that of zero and figures represent the main events that have completely modified the existence of man.