Non-binary logic from the poit of view of Robert Blanche

Abstract

Non-binary logic from the poit of view of Robert Blanche

Formal sciences such as mathematics and logic have developed greatly in our time, as the logical systems in the twentieth century have created three major systems, which are: flexible logic, the logic of the side, and the logic of many values, and if classical logic believes in the principle of the raised third, then contemporary systems have rejected this principle. Believing in the principle of relativism, which imposed its application in all fields due to the changing and relative reality. This kind of logic came as an inevitable consequence of the historical development of the theory of logic, to which Robert Blanche dated as a model, but he was not only satisfied with history, but tried to present the contemporary logical system from