Let us consider how in the past times the notion of “truth” has been expressed by a word. Two Dichotomic Meanings of a Same, Crucial Word: Alétheia Interpreting the entire history of logic.ġ. Of propositions are suggested as representing the categories for adequately This history of logic confirms both Kuhn’sĬategory of a paradigm and Koyré’s categories, represented by him through aĬouple of “characteristic propositions” in mutual conflict analogous couples Of logic appears as a development along two main lines, one line representingĬlassical logic dominated all others for a very long period of time, although Of organizing the original texts of past theories so that the entire history Recognized by inspecting through both the double negations and this new model Some important logical events pertaining to non-classical logic are Problem-that there exists a new model of organization of a theory which isĪlternative to the deductive-axiomatic model and it is governed by intuitionist Scientific theories which are based, like the previous one, on a general InĪddition, previous papers have suggested-through a comparative analysis of all Reasoning through arguments pertaining to the same intuitionist logic. The intuitionist logic shows many interesting results, in particular his As an example, the analysis of Kolmogorov’s 1932 paper about the foundations of Its failure is easily recognized within a (scientific) text which thereforeĬan be analyzed in a new logical way. Re-evaluated, since its failure was recognized as representing, moreĪppropriately than the failure of the excluded middle law, the borderlineīetween classical logic and almost all non-classical kinds of logic. Not before the year 1968 the double negation law was Same meaning was reiterated by Romans’s word for truth, veritas. But,Īfter Plato the affirmative meaning of the idea of truth has prevailed. Word for “truth” was “alétheia” (unveiling), which is a double negation. The paper starts by remarking that the ancient Greek
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