Fig. 1

The three-part cycle of endlessly progress of knowledge. In earliest humans, three social interactions work together as time passes, so that each element feeds on and reinforces each other. Cooperation feeds on fairness (equity), as it increases incomes per individual that makes the community even more motivated for stronger and more complex cooperation. Fairness feeds on computational capabilities that conceives the expertise, which allows producing more equity between the community members that enhances satisfaction and impacts positively cooperation; while computational capabilities, feeds on more intense and more complex cooperation that requires increasingly demanding levels of expertise to make fairness more accurate