Trivalent logic

From Freepedia

See also Ternary logic.

Trivalent logic has been proposed by a number of people:

• Charles Peirce:

• Jan Łukasiewicz: With Stanisław Leśniewski and Alfred Tarski Łukasiewicz formed the troika in the 1920s and 1930s made the University of Warsaw perhaps the most important research centre in the world for formal logic.

• Stéphane Lupasco:

• Asger Jorn:Triolectics

• Florentin Smarandache: Neutrosophy

Also Umberto Eco discusses aymara in The Search for the Perfect Language:

• Trivalent Logic in the Language of Aymara