Logic is rooted in the social principle.

Philosophers
Charles Sanders Peirce
Founder of pragmatism and modern semiotics (1839-1914). Barred from Harvard and a Coast Survey scientist for thirty years, Peirce built a relational logic and triadic sign theory that AI keeps rediscovering.
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Charles Sanders Peirce's Other Quotes
Consider what effects, that might conceivably have practical bearings, we conceive the object of our conception to have. Then, our conception of these effects is the whole of our conception of the object.
The opinion which is fated to be ultimately agreed to by all who investigate, is what we mean by the truth, and the object represented in this opinion is the real.
Do not block the way of inquiry.
Related Quotes
If one had the logic of Chrysippus, one would not need the gods.
-- Chrysippus of Soli
Friends are companions on a journey who ought to help each other persevere on the road to a happier life.
-- Pythagoras
Man is by nature a political animal.
-- Aristotle
Ethics is the ground of being of human community — the way of aidagara (betweenness) between person and person.
-- Tetsuro Watsuji
In the long run, the house always wins — unless you change the game.
-- Edward O. Thorp